Best Web App Development Platforms in the UK of 2025

Hostinger Horizons

Hostinger

Hostinger Horizons is a powerful vibe coding tool designed to accelerate the web app development lifecycle. Go from a simple text prompt to a fully functional web application in minutes, bypassing the complexities and delays of traditional coding. Built for rapid prototyping and MVP creation, Horizons allows you to instantly generate applications with integrated backend logic. It supports essential developer integrations, including Supabase for user authentication and databases, and Stripe for payment processing, allowing you to build and test real product cases instantly. It's the ultimate tool for developers and teams looking to launch faster.

65 Ratings

Starting Price: $9.99/month

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GW Apps

GW Apps delivers responsive, cloud-based web applications without traditional coding. Build secure, data-driven apps featuring dashboards, forms, and automated workflows, all managed through a visual interface. Role-based permissions, audit trails, and scalable architecture make deployment and ongoing changes straightforward, helping organizations launch and evolve web apps quickly with minimal IT overhead.

37 Ratings

Starting Price: $99/month / 15 users & 3 apps

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Alpha Anywhere

Alpha Software Corporation

Alpha Anywhere is the only development platform with both low-code and no-code capabilities. Developers can rapidly create secure, cross-platform mobile and web business apps. Alpha leads in offline development, ensuring that data can be captured AND accessed (database lookups/media file retrieval) offline. A powerful bi-directional API can integrate with existing systems of record and workflows, tie into web services, and meet advanced security requirements. Offers: - pre-built templates - full-stack development - sophisticated analytics/dashboards - full-stack development - scale-able, secure, and reliable cloud deployment Professional developers and citizen developers can use the Alpha TransForm mobile forms builder to digitize paper forms in minutes. Offers offline operation, built-in analytics, and unmatched speed, power, and flexibility in the no-code segment.

8 Ratings

Starting Price: $0

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DHTMLX

DHTMLX is a JavaScript UI library that provides a set of highly customizable and flexible components for building modern and responsive web applications. The library includes more than 30 UI components, such as Gantt, Scheduler, Kanban, diagrams, charts, grids, spreadsheets, calendars, trees, forms, and more. DHTMLX helps to advance web development and build feature-rich data-intensive applications of any complexity. One of the key advantages of DHTMLX is its compatibility with different web frameworks, including React, Angular, and Vue.js, which makes it a great choice for developers who are already working with these frameworks. DHTMLX is also designed with performance in mind. Its components are optimized for fast rendering. A comprehensive and rich API provides a straightforward way to manipulate JavaScript/HTML5 UI widgets. The library has detailed API documentation, tutorials, and examples that help developers quickly get up to speed and start building their apps.

Starting Price: $79

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RadSystems

RadSystems is a robust integrated development environment tool and Low-code software that facilitates rapid application development process by reducing redundant coding time. RadSystems applications can be generated through ASP.NET Core, Python Flask, PHP Laravel, Node Express.js, Vue.js, and Quasar Framework. You can also build traditional or classic web applications using Bootstrap, jQuery, and Laravel. RadSystems Studio is a robust Low-code software that facilitates a rapid application development process by reducing redundant coding time. Through its complex engine algorithm, it is possible for an application to be generated in several programming languages from a single code base. You can publish your application to Classic Application, Single Page Application, Progressive Web Application, and Mobile Application with a single click.

22 Ratings

Starting Price: $298

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CaptainCasa Enterprise Client

CaptainCasa

Rapid development and cost-effective maintenance of web applications with server-side Java. The developer uses only this most widely used development language; no html, css or javascript knowledge is required for frontend programming. Unique clear separation of UI design and logical processing. Integration of Java business logic into the design through expression language and event control. Numerous and exceptional components serve a unique overall look; unlimited use of additional CSS or JavaScript on design side. Of course, the developed applications can also be hosted on Microsoft Azure or AWS (Amazon Web Services); the developed applications can also be used in-house with simple deployment. CaptainCasa Enterprise Client protects against hidden costs and provides long-term protection of your software development investment.

7 Ratings

Starting Price: Free

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Ionic

Drifty

The Ionic Platform allows you to bring your apps to market faster with an integrated app platform built on the leading cross-platform mobile SDK. Build, secure, and deliver new mobile apps—and transform existing ones—across iOS, Android, and Web platforms from a single codebase. Full scalability—Grow from prototype to production to enterprise-scale, without having to think about capacity, reliability, or performance. Better apps, everywhere—Slash your development time and costs with a platform that lets you write once and deploy anywhere—iOS, Android, and Web. The core of the Ionic development experience is Ionic Capacitor, a cross platform native runtime that runs equally well on native iOS and Android mobile devices, as well as any web browser. The big difference is that, unlike traditional native development or cross-platform approaches, the UI of a Capacitor app runs primarily in the browser.

6 Ratings

Starting Price: Free

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Appery.io

Appery

Appery.io is a low-code app development platform that makes creating hybrid mobile apps, web apps, and progressive web apps (PWAs) easy. Creating a custom app UI has never been easier. Leverage the speed of drag-and-drop functionality and the power of JavaScript to turn your idea into a complete application in days instead of months. Appery.io is a web, PWA, and mobile app development platform. Cross-platform applications built with Appery.io will work smoothly and look great across all popular devices and operating systems. Submit mobile apps to the App Store and Google Play, or deploy them as web apps and PWAs, all with a single codebase. Our low-code app development platform is easy to master even for total beginners. Seasoned app developers, on the other hand, will continue working with the frameworks they love, such as Ionic and Angular, augmented with visual tools to boost their productivity.

5 Ratings

Starting Price: $30 per month

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PerfectApps

PerfectApps puts the power to create completely customized no-code solutions in your hands. Subject matter experts can build enterprise-ready web apps, web forms and reports in days or weeks instead of months – without coding. Using a visual designer, simply drag & drop pre-coded elements on a canvas to build the entire application. The no-code approach removes coding as a barrier between ideas and solutions. With our no-code development platform, you can: • Build & deploy web apps, web forms and reports • Automate simple or complex workflows • Send automated notifications and escalations • Create impressive drill down reports with data grids, graphs, & charts • Get full visibility to your workflow processes • Integrate with LDAP, databases and other 3rd party apps • Host in the Cloud or on your servers

4 Ratings

Starting Price: $500 per month

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Kissflow

Kissflow is an easy-to-use, low-code platform for custom application development tailored to business operations. Kissflow empowers process owners and IT developers to automate and build processes and applications for internal business operations. We help solve two main challenges in the enterprise: The first is the custom application backlog. Enterprise IT teams say “not now” to most custom application requests from business teams. While important to a department, they aren’t vital enough to engage limited IT bandwidth. Kissflow gives internal developers a hyper-fast platform to build various applications quickly. The second is starting a citizen development program. Process owners are scattered throughout the organization and need a standard, approved, and governed way to build automated applications that are a step up from spreadsheets. With its simple no-code design, patented rules engine, and comprehensive governance module,

2 Ratings

Starting Price: $1500 per month

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Neptune DXP

Neptune Software

Neptune Software's leading low-code app development platform - Neptune DXP – digitizes and optimizes business processes and user interfaces – at scale and with ease. Neptune DXP offers enterprise mobility, as well as the best low-code app development for SAP customers with the choice of no-code/low-code app development. The platform gives IT departments the right tools to build the apps they need. Neptune DXP provides a fast, cost-effective, and future-proof way to industrialize the development of custom applications (especially SAP Fiori, SAP mobile applications), turning your IT organization into an app factory, saving time and money on enterprise app development, app integration, and enterprise app operations.

2 Ratings

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Microsoft Power Apps

Microsoft

Now everyone can quickly build and share low-code apps with Microsoft Power Apps. Increase agility across your organization by rapidly building low-code apps that modernize processes and solve tough challenges. Empower your team to start building and launching apps right away using pre-built templates, drag-and-drop simplicity, and quick deployment—then roll out continuous improvements as needed. Give everyone the power to build the apps they need with advanced functionality previously only available to professional developers—including pre-built AI components. Provide professional developers the tools to seamlessly extend app capabilities with Azure Functions and custom connectors to proprietary or on-premises systems. Connect your apps to hundreds of data sources using a library of more than 260 connectors and Common Data Service —bringing your data together for a single source of truth while you modernize processes as well as customize and extend Office 365, Dynamics 365 etc.

2 Ratings

Starting Price: $20 per user per app per month

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TSQL.APP

UX1 BV

TSQL.APP is a web-based SQL platform for building data-driven applications directly within SQL Server. Featuring a built-in IDE, it enables developers to create responsive web apps using SQL for backend logic and UI interactions. Key features include: Dynamic UI Components: Cards represent database records in list and form views, with customizable modals for inputs, alerts, tables, and real-time reports. Action Scripting: SQL-based action scripts define app behavior, enabling CRUD operations and complex workflows. Real-Time Interactivity: Reports auto-refresh, and audio/visual alerts provide instant user feedback. Security and Accessibility: Supports secure logins, cloud access, and file management through meta tables. Extensibility: Integrates with .NET CLR for advanced operations. TSQL.APP is ideal for building adaptable business apps with responsive data handling, streamlined workflows, and custom user interactions.

1 Rating

Starting Price: €220 5 Developers/Users

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Joget DX

Joget, Inc.

Joget offers an open-source, AI-powered platform that converges no-code/low-code development with AI to rapidly build and customize enterprise applications at scale. By combining AI with visual app builders—not raw code—Joget makes app generation faster, safer, and more accessible. With Generative AI and Agentic AI capabilities, Joget Intelligence enables organizations to automate and enhance processes while maintaining oversight and compliance. Unlike typical AI code generation, Joget's visual-first approach ensures applications are maintainable and governed within collaborative human workflows. As an Application and Integration Fabric, Joget connects legacy and modern systems seamlessly. Its extensible, open-source core and plugin architecture offer unmatched flexibility, and its White Label solution allows OEMs and digital solution providers to fully rebrand the platform. Trusted by startups, global enterprises, and government agencies across the globe.

Starting Price: $5/user/month

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UI Bakery

A low-code platform for creating internal tools visually. Allows people with basic web app development understanding to build beautiful UIs, connect data sources to it, publish & share apps securely. Have a customizable Design System under the hood. Have a variety of predefined widgets, UI components, free app templates and dashboards. Features: - Autogenerate UI components - Connect, read, write data - Create workflows & business logic - Add custom JavaScript code - Debug and test apps - Publish your web app

Starting Price: $10/user/month

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Beezer

Hermes Apps

Build awesome progressive web apps for you or your customers with our intuitive, no code app builder. Get your app up and running in a single day, without the need for any programming skills, and share it directly with your audience via a single URL. Progressive web apps are applications with the look and feel of a native app that let you broadcast content on any device and browser, and regardless of your connection. PWAs are capable, reliable and installable. They can be accessed with a single URL, but you can also install them as an icon on your device - they are 90% smaller than native apps. The future of mobile is here. In today's fast-paced world, having a mobile presence is no longer optional - it is a must for companies that want to stay ahead in the game. In fact, 51% of all web traffic comes from mobile devices, and business that aren't leveraging this traffic are losing out on a huge potential market.

Starting Price: $10.82 per month

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ACE4J

The Adaptive Calculation Engine for Java ACE4J provides a reliable platform for converting Excel-based applications into web applications at a low cost, efficiently, and with guaranteed easy maintenance and support in the future. At the same time ACE4J is a modern formula language based on a robust and efficient calculation engine, that is capable of evaluating complex Excel formulas. Thus it is also a great tool for new Java based Web applications that require heavy calculations. The Adaptive Calculation Engine (ACE4J) is a Java API used to evaluate the formulas written in Microsoft Excel style. This engine provides the most popular Microsoft Excel functions which are frequently encountered in applications that require heavy calculations. The number of available formulas and features increases with every Adaptive Calculation Engine release based on feedback from our customers. Adaptive Calculation Engine is capable of evaluating thousands of formulas within seconds.

Starting Price: $2,999 one-time payment

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Kaizen Framework

Virtual Splat Software

Kaizen Framework is a low code, rapid application development tool. You can make web application in minutes. It will help you to cut development cost and dependency on developers. No need to write code, no compilation need, no downtime to users. And finally, as the name says "Kaizen", we are constantly updating the framework to make sure that YOU make more money in software development projects. Among many other low-code frameworks, Kaizen is a mature framework that has proven its strength by delivering a variety of applications for different industries. It's constantly evolving for the last 15+ years, with projects already being delivered in 70+ industries with around 500+ projects successfully executed, and very practical solutions. Also, it's easy to learn and deploy and you can host the application wherever you want. The kaizen framework has advanced features compared to other frameworks.

Starting Price: $10 USD per user per day

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Quest

Generate ReactJS code from your design. Clean, extendable, just like you would hand code. Push to your repo and launch. Our AI models generate real, useful code. It incorporates all the things professional developers care about. Use our chat prompt to modify styling, write business logic & connect to your backend. Bring in your custom designs. Quest generates code components incorporating design systems and component libraries. Preview your app and push to your GitHub and launch it when ready. Quest was built with developers in mind. It automates the tedious parts of building an app, yet gives you full control so you can build whatever you want. Generate clean code per the best of industry standards. Extend it to add your own use cases or business logic. Native support for MUI, Chakra & Ant (coming soon) or effortlessly integrate your own or any design system. Download the code or push it to your GitHub. Do whatever you want with it. Quest generates industry-standard React components.

Starting Price: $58 per month

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Momen

From MVP to scaled SaaS, build your custom apps with a smooth learning curve, all powered by Momen. Streamlined from prototype design to app deployment, with robust built-in backend, say farewell to traditional dev. Create apps in weeks, and iterate your ideas with ease, no coding needed. Project-based pricing without overage fees and third-party backend service, estimate costs upfront. Advanced collaboration workflows with access control, build fully custom apps for million-user projects from the start. Build every part of your product visually in Momen's drag-and-drop editor. Clarify user journey and interaction, and unleash your inner designer's creativity. See holistically how users journey through your product with our interactive and dynamic canvas. Watch your product come to life in real-time with live preview as you build and test its features, with the browser preserving the navigation state.

Starting Price: $33 per month

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LoftOS

Innoloft

Forget traditional tech delays, we're making digitalization quicker, easier, and way more affordable. With LoftOS, you’re in control. Build web applications like networks, marketplaces, or internal tools all without writing a single line of code. Forget about juggling multiple tools or expensive IT agencies. Don’t waste time on month-long development projects. Go live instantly with our no-code development platform. Stop overpaying for complex IT projects. Don’t worry about escalating costs. All the features you need and none you don’t. Transform your business ecosystem from analog to digital. With LoftOS, you’re not just increasing transparency, you’re unlocking a world of exciting business opportunities. Ditch outdated community management. With LoftOS, anchor your members to a digital hub packed with digital tools that make every click count. Don’t just showcase your research, monetize it. With LoftOS, you can effortlessly connect your skills, services, and technologies.

Starting Price: $375 per month

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Mendix

Mendix, a Siemens business and the global leader in enterprise low-code, is fundamentally reinventing the way applications are delivered in the digital enterprise. With the Mendix platform, enterprises can ‘Make with More,’ by broadening their development capability to conquer the software development bottleneck; ‘Make it Smart,’ by making apps with rich native experiences that are intelligent, proactive, and contextual; and ‘Make at Scale,’ to modernize core systems and build large app portfolios. The Mendix platform is built to promote intense collaboration between business and IT teams and dramatically accelerate application development cycles while maintaining the highest security, quality, and governance, in short, to help enterprises leap into their digital futures. The Mendix platform has been adopted by more than 4,000 leading companies around the world including Conoco Phillips, Business Development Bank of Canada, Post NL, Continental, Zurich Insurance, and

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ColdFusion Builder

Adobe

Build with a lightweight, quick-loading IDE that complements Adobe ColdFusion. Finish faster with tools that help you to develop, test, debug and deploy applications. Automatically detect vulnerabilities in your code. Identify bottlenecks with reports from the Performance Monitoring Toolset. Ride the wave, easily develop, test, debug and deploy mobile and browser-based applications, and get a head start in the fast-growing apps market. Keep it safe, use debugging, refactoring, preview and other smart features for identifying security vulnerabilities, and maintain the integrity of your code. Streamline your work, use extensions, remote project support, integrated server management, a log viewer, and more, and take charge of your environment. Accelerate your application development with intelligent, ordered code assist for CFML, CFScript, HTML, JavaScript and CSS. Get code assist even for third-party JavaScript libraries included in your web application.

Starting Price: $299 one-time payment

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Idea2App

idea2App is an easy-to-use platform that helps you to live your dream into reality. Choose all the preferred features and we will provide you with Web/App equipped with avant-garde technology. Now, building an app is as simple as ordering a food in the restaurant. With an extensive experience across wide range of industries, we offer business-centric solutions customized as per specific business needs. From small scale companies to multinational organisations, our industry-specific solutions are designed to propel businesses forward and achieve excellence. With Idea2App, the app ideas are only limited by your imagination. Here is a list of some of the most common applications out of our limitless offerings, powered by Idea2App. Just pick and start creating your application now.

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WebSmart

Fresche

WebSmart is a rapid development tool for creating RPG and PHP desktop & mobile web applications. Responsive templates help you quickly create modern applications and APIs that you can customize for any business need using WebSmart’s powerful IDE. Templates generate the initial client and server-side code which you can customize to create any type of web application. Use responsive templates to create web and mobile applications that use a single code base. Use WebSmart’s API templates to quickly and seamlessly integrate your Db2 files and RPG programs with other web services. The PHP Edition helps you produce open source PHP applications that run on multiple platforms (IBM i, Windows, Linux, or Unix). The ILE edition is the fastest way for IBM i programmers to develop new RPG web applications that leverage existing code. Uses PHP, a popular and proven open-source language explicitly developed to create web applications.

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Contember

Describe an internal app, CMS, or customer portal; get a functioning version right away. Build upon it effortlessly with the power of our open-source Contember framework. Simply share the basic idea of your app with our AI-assisted Contember Studio. In minutes, you have a working version, automatically deployed on our cloud hosting. This way, you address misunderstandings, make adjustments, and satisfy your team or customers faster than ever. We're here to help you turn app concepts into reality, without the hassle. Take control with our open-source Contember framework. It tackles the complex stuff, freeing you up to craft your application just the way you want it. The Contember framework provides a robust platform for modern web app development. With everything managed as code and adherence to best practices, Contember simplifies application development and deployment. Enhance your applications' with Contember's declarative actions for data changes.

Starting Price: €149 one-time payment

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Tangle

Tangle enables organizations to build enterprise applications in hours with an intuitive open source platform offering reusable components, no-code drag-and-drop tools, secure architecture, and complete code extensibility. Ultimate low-code flexibility for all your workflow, automation, and integration requirements. Tangle believes a low-code platform is the best way for enterprises to develop applications at speed, on spec, and within budget. Tangle allows you to deliver enterprise value at speed, enabling you to efficiently build scalable, secure, enterprise-grade applications. Apps that you can quickly and easily design and deploy, to meet the needs and expectations of your user community. Focus on delivering organizational value fast. Tangle takes care of the architecture. Use our high-quality ready-made components or build your own, to deliver exactly what you need. Automate complex business processes with intuitive drag-and-drop workflows.

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Wisej.NET

Ice Tea Group

Wisej.NET provides a platform and set of tools designed to ease the burden of developing, testing, deploying, and maintaining complex AI-powered business software. It bridges the gap between traditional WinForms-style desktop applications and the web by empowering developers to leverage their existing .NET and C# or VB.NET) skills. Developers are able to use the tools they are familiar with, like a pixel-perfect design surface and drag-and-drop controls with the languages they are comfortable with (C# or VB.NET) to build real-time web applications without having to learn HTML, CSS, or JavaScript. They can stay in their favorite IDE like Visual Studio to take advantage of features like IntelliSense, integrated debugging, design surfaces and source control integration. Front-end developers can leverage their knowledge of web technologies to augment applications and seamlessly integrate third-party packages like HTML5 charting libraries and ASP.NET controls.

Starting Price: $990

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Best Web App Development Platforms in the UK

Compare the Top Web App Development Platforms in the UK as of September 2025

What are Web App Development Platforms in the UK?

Hostinger Horizons

GW Apps

Alpha Anywhere

DHTMLX

RadSystems

CaptainCasa Enterprise Client

Ionic

Appery.io

PerfectApps

Kissflow

Neptune DXP

Microsoft Power Apps

TSQL.APP

Joget DX

UI Bakery

Beezer

ACE4J

Kaizen Framework

Quest

Momen

LoftOS

Mendix

ColdFusion Builder

Idea2App

WebSmart

Contember

Tangle

Wisej.NET

Best Web App Development Platforms in the UK

Compare the Top Web App Development Platforms in the UK as of September 2025

What are Web App Development Platforms in the UK?

Hostinger Horizons

GW Apps

Alpha Anywhere

DHTMLX

RadSystems

CaptainCasa Enterprise Client

Ionic

Appery.io

PerfectApps

Kissflow

Neptune DXP

Microsoft Power Apps

TSQL.APP

Joget DX

UI Bakery

Beezer

ACE4J

Kaizen Framework

Quest

Momen

LoftOS

Mendix

ColdFusion Builder

Idea2App

WebSmart

Contember

Tangle

Wisej.NET

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