{"id":19951,"date":"2026-06-09T18:51:34","date_gmt":"2026-06-09T18:51:34","guid":{"rendered":"https:\/\/offline-web.com\/web-app-development\/"},"modified":"2026-09-21T14:19:57","modified_gmt":"2026-09-21T11:19:57","slug":"web-app-development","status":"publish","type":"page","link":"https:\/\/offline-web.com\/en\/web-app-development\/","title":{"rendered":"Custom web application development"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"19951\" class=\"elementor elementor-19951\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2d9dc2f e-flex e-con-boxed tm-col-stretched-none tm-bg-color-over-image e-con e-parent\" data-id=\"2d9dc2f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-34b0e50 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"34b0e50\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-4e83c8d e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"4e83c8d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6af20b74 elementor-widget elementor-widget-image\" data-id=\"6af20b74\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.button-over-image\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/1-web-app-development-1024x538.png\" class=\"attachment-large size-large wp-image-20565\" alt=\"Custom web app development \u2014 software that does not rot, built in Vue 3 and TypeScript\" srcset=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/1-web-app-development-1024x538.png 1024w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/1-web-app-development-300x158.png 300w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/1-web-app-development-768x403.png 768w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/1-web-app-development.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-54ce4482 e-con-full tm-col-stretched-none e-flex tm-bg-color-over-image e-con e-child\" data-id=\"54ce4482\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-544fe7ab e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"544fe7ab\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1c8e0dbc elementor-widget elementor-widget-tm-ele-text-editor\" data-id=\"1c8e0dbc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor\" >\r\n\t\t<p>From an initial idea to an application built around a specific need, every project starts differently. The design and development process follows what the application actually needs to do and how people will use it. It may be a SaaS product, a booking system, a dashboard, a portal or a custom internal application.<\/p><p>You do not need a finished design or technical specification to start. The first step is understanding the problem, the users and the workflows the application needs to support.<\/p>\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66f28acb elementor-widget elementor-widget-tm-ele-text-editor\" data-id=\"66f28acb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor\" >\r\n\t\t<p>More than 12 years of professional software development and work across 40+ projects, including systems for organizations such as OPAP and adidas.<\/p><p>The stack is selected for the project rather than forced in advance. Depending on the requirements, that can include Vue, Nuxt, TypeScript, React, Laravel, Node.js, PostgreSQL or MySQL.<\/p>\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3c345e65 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"3c345e65\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1592f73f elementor-widget__width-initial elementor-widget elementor-widget-tm-ele-iconbox\" data-id=\"1592f73f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-iconbox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-sc-icon-box icon-box icon-left icon-left-style2 icon-text responsive-mobile icon-left-style2 animate-hover icon-rotate-y\">\r\n\t\r\n  \t<div class=\"icon-box-wrapper\">\r\n\t\t<div class=\"icon-left-block\">\r\n\t\t\t<div class=\"icon-box-icon\">\r\n\t\t\t\t\r\n\t\t<div class=\"icon-wrapper\">\r\n\t\t<div class=\"icon icon-round icon-type-icon-text icon-size-default\">\r\n\t\t\t\r\n\t\t\t\t<span class=\"icon-text\">\r\n\t\t\t\t01\t\t<\/span>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t<h5 class=\"icon-box-title \">\r\n\t\t\t\t\t\t\tUnderstand the need\t\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<div class=\"icon-text\">\r\n\t\t\t\t\t\t<div class=\"content\">Understanding the problem, the users and the workflows the application needs to support, before any design or code.<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\r\n\t\t\t\t\t<\/div>\r\n\t\t<div class=\"clearfix\"><\/div>\r\n\t<\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-62a6a696 elementor-widget__width-initial elementor-widget elementor-widget-tm-ele-iconbox\" data-id=\"62a6a696\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-iconbox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-sc-icon-box icon-box icon-left icon-left-style2 icon-text responsive-mobile icon-left-style2 animate-hover icon-rotate-y\">\r\n\t\r\n  \t<div class=\"icon-box-wrapper\">\r\n\t\t<div class=\"icon-left-block\">\r\n\t\t\t<div class=\"icon-box-icon\">\r\n\t\t\t\t\r\n\t\t<div class=\"icon-wrapper\">\r\n\t\t<div class=\"icon icon-default icon-type-icon-text icon-size-default\">\r\n\t\t\t\r\n\t\t\t\t<span class=\"icon-text\">\r\n\t\t\t\t02\t\t<\/span>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t<h5 class=\"icon-box-title \">\r\n\t\t\t\t\t\t\tDesign the application structure and interface\t\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<div class=\"icon-text\">\r\n\t\t\t\t\t\t<div class=\"content\">Defining the application structure, the core functionality and the interface, then choosing the technologies that fit the project requirements.<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\r\n\t\t\t\t\t<\/div>\r\n\t\t<div class=\"clearfix\"><\/div>\r\n\t<\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-67a3e175 e-con-full tm-col-stretched-none e-flex tm-bg-color-over-image e-con e-child\" data-id=\"67a3e175\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-77226343 elementor-widget__width-initial elementor-widget elementor-widget-tm-ele-iconbox\" data-id=\"77226343\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-iconbox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-sc-icon-box icon-box icon-left icon-left-style2 icon-text responsive-mobile icon-left-style2 animate-hover icon-rotate-y\">\r\n\t\r\n  \t<div class=\"icon-box-wrapper\">\r\n\t\t<div class=\"icon-left-block\">\r\n\t\t\t<div class=\"icon-box-icon\">\r\n\t\t\t\t\r\n\t\t<div class=\"icon-wrapper\">\r\n\t\t<div class=\"icon icon-round icon-type-icon-text icon-size-default\">\r\n\t\t\t\r\n\t\t\t\t<span class=\"icon-text\">\r\n\t\t\t\t03\t\t<\/span>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t<h5 class=\"icon-box-title \">\r\n\t\t\t\t\t\t\tBuild and review in stages\t\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<div class=\"icon-text\">\r\n\t\t\t\t\t\t<div class=\"content\">Building the application in stages with regular reviews, so issues and changes are handled early rather than at the end.<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\r\n\t\t\t\t\t<\/div>\r\n\t\t<div class=\"clearfix\"><\/div>\r\n\t<\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23b2e0b0 elementor-widget__width-initial elementor-widget elementor-widget-tm-ele-iconbox\" data-id=\"23b2e0b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-iconbox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-sc-icon-box icon-box icon-left icon-left-style2 icon-text responsive-mobile icon-left-style2 animate-hover icon-rotate-y\">\r\n\t\r\n  \t<div class=\"icon-box-wrapper\">\r\n\t\t<div class=\"icon-left-block\">\r\n\t\t\t<div class=\"icon-box-icon\">\r\n\t\t\t\t\r\n\t\t<div class=\"icon-wrapper\">\r\n\t\t<div class=\"icon icon-round icon-type-icon-text icon-size-default\">\r\n\t\t\t\r\n\t\t\t\t<span class=\"icon-text\">\r\n\t\t\t\t04\t\t<\/span>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t<h5 class=\"icon-box-title \">\r\n\t\t\t\t\t\t\tFinal verification and delivery\t\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<div class=\"icon-text\">\r\n\t\t\t\t\t\t<div class=\"content\">Final verification and delivery of the application ready for use, followed by support for issues and stable operation after launch.<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\r\n\t\t\t\t\t<\/div>\r\n\t\t<div class=\"clearfix\"><\/div>\r\n\t<\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75aabc6a elementor-widget elementor-widget-tm-ele-text-editor\" data-id=\"75aabc6a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor\" >\r\n\t\t<p>What can be built: SaaS products and MVPs; booking systems; dashboards and management tools; portals and platforms; custom applications for specific business processes.<\/p>\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4aa20c1a elementor-widget elementor-widget-tm-ele-list\" data-id=\"4aa20c1a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<ul class=\"tm-sc-list \">\r\n\t<li class=\"\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\" flaticon-common-confirmation\"><\/i>\t\t\t\t<span>\r\n\tA custom web app that fits your workflow, not the other way around<\/span><\/li>\t<li class=\"\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\" flaticon-common-confirmation\"><\/i>\t\t\t\t<span>\r\n\tTypeScript, tests and documented boundaries that make maintenance and future extensions easier to assess<\/span><\/li>\t<li class=\"\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\" flaticon-common-confirmation\"><\/i>\t\t\t\t<span>\r\n\tPerformance and accessibility tested during the build and before release<\/span><\/li>\t<li class=\"\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\" flaticon-common-confirmation\"><\/i>\t\t\t\t<span>\r\n\tFull ownership: code, documentation and deployment in your hands<\/span><\/li><\/ul>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-984d344 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"984d344\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-64aef070 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"64aef070\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1f88a5d5 elementor-widget elementor-widget-image\" data-id=\"1f88a5d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/web-app-development-inner-1-1024x576.png\" class=\"attachment-large size-large wp-image-20586\" alt=\"Custom web app development: client portal with projects, documents and invoices\" srcset=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/web-app-development-inner-1-1024x576.png 1024w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/web-app-development-inner-1-300x169.png 300w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/web-app-development-inner-1-768x432.png 768w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/web-app-development-inner-1.png 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-299a6621 e-con-full tm-col-stretched-none e-flex tm-bg-color-over-image e-con e-child\" data-id=\"299a6621\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2b6556f1 elementor-widget elementor-widget-image\" data-id=\"2b6556f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/web-app-development-inner-2-1024x576.png\" class=\"attachment-large size-large wp-image-20620\" alt=\"Custom web app development: booking platform week view with confirmations\" srcset=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/web-app-development-inner-2-1024x576.png 1024w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/web-app-development-inner-2-300x169.png 300w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/web-app-development-inner-2-768x432.png 768w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/web-app-development-inner-2.png 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-692ad653 ha-has-bg-overlay elementor-widget elementor-widget-tm-ele-accordion\" data-id=\"692ad653\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-accordion.skin-classic\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div id=\"accordion-holder-813032\" class=\"tm-accordion skin-classic\">\r\n\t\r\n  <div class=\"card active\">\r\n    <div class=\"card-header p-0\" id=\"heading591\">\r\n      <h5 class=\"title \" data-bs-toggle=\"collapse\" data-bs-target=\"#collapse591\" aria-expanded=\"true\" aria-controls=\"collapse591\">\r\n        <span class=\"text\">What does custom web application development cost?<\/span>\r\n        <span class=\"accordion-controls-icon\"><svg class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\r\n      <\/h5>\r\n    <\/div>\r\n    <div id=\"collapse591\" class=\"collapse show\" aria-labelledby=\"heading591\" data-bs-parent=\"#accordion-holder-813032\">\r\n      <div class=\"card-body\">\r\n        <p>It depends on the size, functionality and requirements of the project. Before any collaboration starts, you receive a first estimate of cost and timeline.<\/p>      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"card \">\r\n    <div class=\"card-header p-0\" id=\"heading592\">\r\n      <h5 class=\"title collapsed\" data-bs-toggle=\"collapse\" data-bs-target=\"#collapse592\" aria-expanded=\"false\" aria-controls=\"collapse592\">\r\n        <span class=\"text\">How long does a typical project take?<\/span>\r\n        <span class=\"accordion-controls-icon\"><svg class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\r\n      <\/h5>\r\n    <\/div>\r\n    <div id=\"collapse592\" class=\"collapse \" aria-labelledby=\"heading592\" data-bs-parent=\"#accordion-holder-813032\">\r\n      <div class=\"card-body\">\r\n        <p>That depends on the size and complexity of the workflows, integrations and data involved. The initial estimate includes a realistic first timeline based on the information you provide.<\/p>      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"card \">\r\n    <div class=\"card-header p-0\" id=\"heading593\">\r\n      <h5 class=\"title collapsed\" data-bs-toggle=\"collapse\" data-bs-target=\"#collapse593\" aria-expanded=\"false\" aria-controls=\"collapse593\">\r\n        <span class=\"text\">Do you build the backend too?<\/span>\r\n        <span class=\"accordion-controls-icon\"><svg class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\r\n      <\/h5>\r\n    <\/div>\r\n    <div id=\"collapse593\" class=\"collapse \" aria-labelledby=\"heading593\" data-bs-parent=\"#accordion-holder-813032\">\r\n      <div class=\"card-body\">\r\n        <p>Yes. I build the frontend and the Node.js or Laravel API, with PostgreSQL or MySQL, when the project requires full-stack ownership.<\/p>      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"card \">\r\n    <div class=\"card-header p-0\" id=\"heading594\">\r\n      <h5 class=\"title collapsed\" data-bs-toggle=\"collapse\" data-bs-target=\"#collapse594\" aria-expanded=\"false\" aria-controls=\"collapse594\">\r\n        <span class=\"text\">Who owns the code?<\/span>\r\n        <span class=\"accordion-controls-icon\"><svg class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\r\n      <\/h5>\r\n    <\/div>\r\n    <div id=\"collapse594\" class=\"collapse \" aria-labelledby=\"heading594\" data-bs-parent=\"#accordion-holder-813032\">\r\n      <div class=\"card-body\">\r\n        <p>You do. Everything lives in your repository from day one, with documentation for the structure and the deployment.<\/p>      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"card active\">\r\n    <div class=\"card-header p-0\" id=\"heading595\">\r\n      <h5 class=\"title \" data-bs-toggle=\"collapse\" data-bs-target=\"#collapse595\" aria-expanded=\"true\" aria-controls=\"collapse595\">\r\n        <span class=\"text\">Do I need a finished design or technical specification?<\/span>\r\n        <span class=\"accordion-controls-icon\"><svg class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/span>\r\n      <\/h5>\r\n    <\/div>\r\n    <div id=\"collapse595\" class=\"collapse show\" aria-labelledby=\"heading595\" data-bs-parent=\"#accordion-holder-813032\">\r\n      <div class=\"card-body\">\r\n        <p>No. An initial idea and the main functions are enough to start. Design, architecture and technical choices can be organized as part of the project.<\/p>      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2e2118cd e-con-full tm-col-stretched-none e-flex tm-bg-color-over-image e-con e-child\" data-id=\"2e2118cd\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-3a87b0e e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"3a87b0e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7e92093b elementor-widget elementor-widget-tm-ele-text-editor\" data-id=\"7e92093b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor\" >\r\n\t\t<h4>More Services<\/h4><p><\/p>\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-56d706bd elementor-widget__width-initial elementor-absolute elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"56d706bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_position&quot;:&quot;absolute&quot;}\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42d24e1f elementor-widget elementor-widget-tm-ele-navigation-menu\" data-id=\"42d24e1f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-navigation-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-sc-simple-nav-menu\"><ul id=\"menu-services-links\" class=\"\"><li id=\"menu-item-20082\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-20082\"><a href=\"https:\/\/offline-web.com\/en\/vue-migration\/\"><i class=\"tm-nav-arrow-icon  flaticon-common-arrow-right\"><\/i>Application modernization<\/a><\/li>\n<li id=\"menu-item-20083\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-20083\"><a href=\"https:\/\/offline-web.com\/en\/web-app-development\/\"><i class=\"tm-nav-arrow-icon  flaticon-common-arrow-right\"><\/i>Custom web application development<\/a><\/li>\n<li id=\"menu-item-20084\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-20084\"><a href=\"https:\/\/offline-web.com\/en\/excel-to-dashboard\/\"><i class=\"tm-nav-arrow-icon  flaticon-common-arrow-right\"><\/i>Excel to Web App<\/a><\/li>\n<li id=\"menu-item-20085\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-20085\"><a href=\"https:\/\/offline-web.com\/en\/jquery-to-vue-migration\/\"><i class=\"tm-nav-arrow-icon  flaticon-common-arrow-right\"><\/i>jQuery application modernization<\/a><\/li>\n<li id=\"menu-item-22467\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-22467\"><a href=\"https:\/\/offline-web.com\/en\/nuxt-migration\/\"><i class=\"tm-nav-arrow-icon  flaticon-common-arrow-right\"><\/i>Nuxt 4 migration<\/a><\/li>\n<li id=\"menu-item-20897\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-20897\"><a href=\"https:\/\/offline-web.com\/en\/ai-integration\/\"><i class=\"tm-nav-arrow-icon  flaticon-common-arrow-right\"><\/i>AI Features for Vue &#038; Nuxt<\/a><\/li>\n<li id=\"menu-item-20199\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-20199\"><a href=\"https:\/\/offline-web.com\/en\/vanilla-js-to-vue-migration\/\"><i class=\"tm-nav-arrow-icon  flaticon-common-arrow-right\"><\/i>Vanilla JavaScript application modernization<\/a><\/li>\n<\/ul><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-646d3738 e-con-full tm-col-stretched-none e-flex tm-bg-color-over-image e-con e-child\" data-id=\"646d3738\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bc31ecd elementor-widget elementor-widget-tm-ele-text-editor\" data-id=\"bc31ecd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor\" >\r\n\t\t<h4>Get in touch<\/h4>\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2ee6c7d9 elementor-widget elementor-widget-tm-ele-text-editor-advanced\" data-id=\"2ee6c7d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor-advanced.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor-advanced\">\r\n\t\t\t\t\t<div class=\"each-item elementor-repeater-item-f5252c0\" >\r\n\t\t\t\t<p>Athens, Greece, working remotely with EU &amp; US teams<\/p>\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<div class=\"each-item elementor-repeater-item-7af36a6\" >\r\n\t\t\t\t<p>info@offline-web.com<\/p>\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5cabb066 elementor-widget elementor-widget-tm-ele-iconbox\" data-id=\"5cabb066\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-iconbox.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-sc-icon-box icon-box icon-left font-icon icon-left animate-hover icon-rotate-y\">\r\n\t\r\n  \t<div class=\"icon-box-wrapper\">\r\n\t\t\r\n\t\t<div class=\"icon-wrapper\">\r\n\t\t<div class=\"icon icon-default icon-type-font-icon icon-size-default\">\r\n\t\t\t<i aria-hidden=\"true\" class=\" flaticon-common-technology\"><\/i>\t\t<\/div>\r\n\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"icon-text\">\r\n\t\t\t\t\t\t<div class=\"content\"><h6>I reply by email<\/h6><\/div>\r\n\t\t\t\r\n\t\t\t\t<h5 class=\"icon-box-title \">\r\n\t\t\t\t\t\t\tGet a first estimate\t\t\t\t\t<\/h5>\r\n\t\t\t\t\t\r\n\t\t\t\r\n\t\r\n\t\t\t\t\t<\/div>\r\n\t\t<div class=\"clearfix\"><\/div>\r\n\t<\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3efe103 tm-contact-form-7-button-full-width elementor-widget elementor-widget-tm-ele-contact-form-7\" data-id=\"3efe103\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-contact-form-7.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-contact-form-7-wrapper\">\r\n\t\t\t\t<div class=\"tm-contact-form tm-contact-form-7 tm-contact-form-3efe103 placeholder-show tm-contact-form-align-default\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f6-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"6\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/en\/wp-json\/wp\/v2\/pages\/19951#wpcf7-f6-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Contact form\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"6\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.6\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f6-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/><input type=\"hidden\" name=\"_wpcf7_recaptcha_response\" value=\"\" \/>\n<\/fieldset>\n<div class=\"contact\">\n  <div class=\"row g-3\">\n    <div class=\"col-sm-6\">\n       <label for=\"fname\">Name *<\/label>\n       <span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required form-control\" autocomplete=\"name\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Jane Doe\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n    <\/div>\n    <div class=\"col-sm-6\">\n       <label for=\"femail\">Email *<\/label>\n       <span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email form-control\" autocomplete=\"email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"you@example.com\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n    <\/div>\n    <div class=\"col-sm-12\">\n       <label for=\"fcompany\">Company or website (optional)<\/label>\n       <span class=\"wpcf7-form-control-wrap\" data-name=\"your-company\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text form-control\" aria-invalid=\"false\" placeholder=\"Company name or website, if you have one\" value=\"\" type=\"text\" name=\"your-company\" \/><\/span>\n       <small class=\"form-hint\">A link helps me scope your project faster.<\/small>\n    <\/div>\n    <div class=\"col-sm-12\">\n       <label for=\"fservice\">Which service? *<\/label>\n       <span class=\"wpcf7-form-control-wrap\" data-name=\"your-service\"><select class=\"wpcf7-form-control wpcf7-select wpcf7-validates-as-required form-control\" aria-required=\"true\" aria-invalid=\"false\" name=\"your-service\"><option value=\"\">&#8212;Please choose an option&#8212;<\/option><option value=\"Vue 2 to 3 migration\">Vue 2 to 3 migration<\/option><option value=\"jQuery to Vue migration\">jQuery to Vue migration<\/option><option value=\"Nuxt migration\">Nuxt migration<\/option><option value=\"Vanilla JS to Vue migration\">Vanilla JS to Vue migration<\/option><option value=\"Excel to web app \/ dashboard\">Excel to web app \/ dashboard<\/option><option value=\"Custom web app development\">Custom web app development<\/option><option value=\"AI features \/ LLM integration\">AI features \/ LLM integration<\/option><option value=\"Something else\">Something else<\/option><\/select><\/span>\n    <\/div>\n    <div class=\"col-sm-12\">\n       <label for=\"fmessage\">What do you want to build or fix? *<\/label>\n       <span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"4\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required form-control\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"e.g. Migrate a Vue 2 dashboard to Vue 3, or turn an Excel workflow into a web app. A sentence or two is enough.\" name=\"your-message\"><\/textarea><\/span>\n    <\/div>\n    <div class=\"col-sm-12\">\n       <input class=\"wpcf7-form-control wpcf7-submit has-spinner btn btn-theme-colored2\" type=\"submit\" value=\"Get a first estimate\" \/>\n    <\/div>\n    <div class=\"col-sm-12\">\n       <p class=\"form-sla\">Complete the short questionnaire and I'll prepare a first estimate of cost and timeline.<\/p>\n       <p class=\"offline-recaptcha-note\">This site is protected by reCAPTCHA and the Google <a href=\"https:\/\/policies.google.com\/privacy\" target=\"_blank\" rel=\"noopener\">Privacy Policy<\/a> and <a href=\"https:\/\/policies.google.com\/terms\" target=\"_blank\" rel=\"noopener\">Terms of Service<\/a> apply.<\/p>\n    <\/div>\n  <\/div>\n<\/div><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n<\/div>\r\n\t\t\t<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>SaaS products, dashboards, portals, booking systems and internal tools designed around the way the business actually works.<\/p>\n","protected":false},"author":1,"featured_media":20565,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-19951","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Custom web application development &amp; SaaS | OFFLINE<\/title>\n<meta name=\"description\" content=\"Design and development of custom web applications, SaaS products, dashboards, portals and booking systems, from the initial idea through delivery.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/offline-web.com\/en\/web-app-development\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Custom web application development &amp; SaaS | OFFLINE\" \/>\n<meta property=\"og:description\" content=\"Design and development of custom web applications, SaaS products, dashboards, portals and booking systems, from the initial idea through delivery.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/offline-web.com\/en\/web-app-development\/\" \/>\n<meta property=\"og:site_name\" content=\"offline-web.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61565994551139\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-21T11:19:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/1-web-app-development.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Custom web application development\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/1-web-app-development.png\" \/>\n<meta name=\"twitter:site\" content=\"@offline_web\" \/>\n<meta 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