Best Web App Development Platforms in the UK
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Compare the Top Web App Development Platforms in the UK as of October 2026
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What are Web App Development Platforms in the UK?
Web app development platforms provide the tools and frameworks needed to design, develop, test, and deploy web applications. These platforms often include integrated development environments (IDEs), pre-built templates, code libraries, and drag-and-drop components that simplify the development process. Web app development platforms support various programming languages, databases, and APIs, allowing developers to build scalable, secure, and interactive web applications. By using these platforms, developers can streamline the app development lifecycle, enhance productivity, and reduce time-to-market for web-based applications. Compare and read user reviews of the best Web App Development platforms in the UK currently available using the table below. This list is updated regularly.
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1
Intellimas
Singletree Technologies
Intellimas is a highly configurable, low code solution with spreadsheet features. It allows you to build enterprise level, web apps that end users love. Intellimas is built for fast data entry, analytics, exception management, and easy retrieval of live data from other systems. The multi-level grid UI allows for a quick transition from spreadsheets. This comprehensive view, along with our form view, provide you with the flexibility to handle unlimited business processes. Intellimas is deployed on-premise or in the cloud. It features field level security, mass update capabilities, configurable alerts, integration tools, image viewing, and workflow management. Intellimas replaces mega-spreadsheets, custom solutions, and inefficient systems with repeatable processes, one version of the truth, and the ability to adapt to a volatile business climate. Organizations typically implement Intellimas for one process and usually find several other use cases for it in a short period of time.Starting Price: $38/month -
2
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.Starting Price: Free -
3
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.Starting Price: $0 -
4
GW Apps
GW Apps
GW Apps – Build Powerful Business Apps Without Code. GW Apps is a secure, cloud-based no-code platform that enables businesses to create custom applications and automate workflows without programming. Designed for both business and IT teams, GW Apps combines an intuitive drag-and-drop builder with enterprise-grade security, granular permissions, and powerful workflow automation. From replacing spreadsheets to managing complex, multi-step approvals, GW Apps empowers organizations to design and deploy tailored solutions in days, not months. Our platform supports advanced data management, mobile-ready interfaces, and integration with existing systems, ensuring smooth adoption across teams. With personalized onboarding and expert support, GW Apps helps companies streamline operations, improve collaboration, and accelerate digital transformation—at a fraction of the cost of traditional development.Starting Price: $99/month / 15 users & 3 apps -
5
Aware IM
AwareSoft Pty Ltd
AwareIM is a low code web application builder, designed for rapid, robust and scalable development. It comes pre-packed with most, if not all, of what you’ll need to build enterprise-level business management applications, uses a non-procedural, rule-based approach, which makes development as simple and intuitive as it gets, is based on Java, so you get to “build once, run anywhere”, and is fully customizable, so nothing will hinder your creativity. AwareIM innately takes care of the full stack and includes all key components of a full fledged app, so you get to begin as close as possible to the finish line, right from the start. AwareIM uses a non-procedural, rule-based approach to development, which means, simply put, that you only need to specify what you want, the how is taken care of automatically. Development doesn’t get much simpler than that. AwareIM consists of Java code under the hood, so it will run in exactly the same way on any popular operating system.Starting Price: $150/month -
6
DHTMLX
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: $799 -
7
Hostinger Horizons
Hostinger
Hostinger Horizons is the perfect vibe coding tool, letting you build websites and apps based on an idea or a feeling. Simply describe what you want, and our AI acts as your personal designer and developer, creating a complete, mobile friendly project instantly. Horizons is built to create real world applications. You can generate a full ecommerce store, a blog, or a custom business tool. The AI intelligently builds both the visual frontend and the functional backend, with support for essential integrations like Stripe for payments and Supabase for user accounts. Designed for creators, entrepreneurs, and developers who want results without complexity, our prompt based editor makes customization simple. As a Hostinger product, your project comes with built in hosting and easy one click deployment, giving you everything you need to bring your vision to life.Starting Price: $9.99/month -
8
RadSystems
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.Starting Price: $298 -
9
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.Starting Price: $30 per month -
10
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.Starting Price: Free -
11
PerfectApps
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 serversStarting Price: $500 per month -
12
platformOS
platformOS
platformOS works with brands like Intel, Arab Bank, NEOM.com, Hallmark, UiPath, Spark Digital (NZ), and funded startups, delivering 100% business rule flexibility for web applications, with a strong pedigree in multi-sided marketplaces. Whether Progressive Web Apps, IoT integration, native Mobile or any Web Browser supported frameworks like React, Angular, Node.js etc, platformOS meets the Enterprise scaling needs to build and run any and every business application scenario. As an APIs-for-Everything 'low code' application development platform’, platformOS offers an advanced developer / web agency supported ecosystem supporting Channel Partners and Enterprise Clients building powerful, zero limits, API centric solutions; with a much shortened time to market (lower cost) that what is typical, especially for multi-sided marketplaces. In addition, platformOS provides multi-cloud devops infrastructure support “out of the box” which saves many thousands in operational costs.Starting Price: $50.00 -
13
Oracle APEX
Oracle
APEX is Oracle’s world’s most popular low-code application platform that enables you to build scalable, secure cloud, mobile or desktop apps, with world-class features, that can be deployed anywhere – whether in the cloud or on-premises. Using APEX, developers can quickly develop and deploy compelling apps that solve real problems and provide immediate value. You don’t need to be an expert in a vast array of technologies to deliver sophisticated solutions. Focus on solving the problem and let APEX take care of the rest.Starting Price: $0 -
14
Kissflow
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,Starting Price: $1500 per month -
15
SpreadsheetWeb
Pagos
SpreadsheetWeb is a no-code platform developed for business users working with Microsoft Excel. It helps businesses translate their collective Excel expertise into robust web applications with limited reliance on IT resources. The SpreadsheetWeb platform empowers ordinary Excel users to create secure, responsive, database-driven applications directly from their Excel spreadsheets. By transforming the data collection mechanism from individual file-based spreadsheets into structured databases while maintaining the formula structure, the system provides a higher level of governance for critical information. Combined with built-in workflow and reporting capabilities, SpreadsheetWeb offers an end-to-end platform for business users seeking to create and manage their own web applications.Starting Price: $30.00/month -
16
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. -
17
Tabidoo
Tabidoo
Simple and user-friendly low-code platform. Design your business applications the way you need them. Quickly, intuitively and without compromises. Don't waste time developing a business application from scratch. Instead, use Tabidoo to create a solution in a fraction of the time, just the way you need it. With features like dashboards, data views, imports, exports or integrations, you get a unique tool for managing your business. Working with your data will become easy and fun. App templates offers ready-made solutions that you can customize to your needs. Digital company, CRM, e-shop solutions and task management are the most popular. The heart of Tabidoo is the data available in clear and simple tables. Tabidoo helps you manage this data in an easy and intuitive way.Starting Price: €60 per month -
18
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.Starting Price: $20 per user per app per month -
19
AWS Amplify
Amazon
Fastest, easiest way to develop mobile and web apps that scale. AWS Amplify is an end-to-end solution that enables mobile and front-end web developers to build and deploy secure, scalable full stack applications, powered by AWS. With Amplify, you can configure app backends in minutes, connect them to your app in just a few lines of code, and deploy static web apps in three steps. Get to market faster with AWS Amplify. Use the Amplify CLI guided workflows to set up best-in-class backends for authentication, storage, APIs, and other common use cases in minutes. With AWS, your app scales automatically and transparently, with built-in best practices for security, reliability, and global availability and access to the underlying resources in the AWS console. Use Amplify Libraries to connect new or existing cloud backends to your mobile and web app. Supports Android, iOS, React, Flutter and more. Add features such as auth (Amazon Cognito), storage (Amazon S3), data, AI/ML, and more. -
20
Thunkable
Thunkable
Web-based solution that helps businesses develop applications through component library, live tests, event blocks, and more. Design beautiful and powerful native apps on Thunkable without coding. Publish your app on Android, iOS, and the Web. Incubated at Google and MIT, backed by YCombinator. One project, three cross-platform apps, no coding. Add motion and smooth transitions to your app with lottie animations. On Thunkable, every app project is automatically created as a native Android app, native iOS app and mobile web app (on any platform), it's pretty magical. Start with a new project, or customize an existing sample app from our growing gallery of open sourced projects. Thunkable has an amazingly active and engaged community to help you with all your app building questions. We also offer live-chat support. Build your own apps by dragging and dropping your favorite components and connecting them together with blocks.Starting Price: $15/mo -
21
ToolJet
ToolJet
ToolJet is an AI-powered platform for building full-stack internal apps, enterprise workflows, AI agents, and operational tools in minutes. Users can describe what they need in natural language and generate dashboards, admin panels, CRUD apps, support tools, and other internal applications. The platform includes an AI app builder, workflow automation agents, a built-in PostgreSQL database, visual builders, code support, and more than 80 integrations. Teams can connect databases, APIs, SaaS tools, cloud storage, AI models, and enterprise systems to build apps that automate real business processes. ToolJet supports self-hosting, cloud deployment, managed on-premise delivery, custom plugins, SSO, RBAC, audit logs, encryption, MFA, and compliance requirements such as SOC 2, GDPR, and ISO 27001. Built for enterprise development teams, ToolJet helps organizations ship secure internal apps faster while keeping control over infrastructure, data, and customization.Starting Price: $79/builder/month -
22
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.Starting Price: €220 5 Developers/Users -
23
Adalo
Apto Labs
Turn Your Startup Idea Into Reality Without Coding! Gone are the days of searching for the perfect developer to bring your ideas to life. Automatically add interactions and database configuration without any code... or if you’ve already got your API, Adalo can integrate with that. Gone are the days of searching for the perfect developer to bring your ideas to life. Automatically add interactions and database configuration without any code... or if you’ve already got your API, Adalo can integrate with that. The best makers iterate the fastest. Now you can afford to. After hiring designers and developers, most entrepreneurs don’t have any money left to iterate on their products, so they cross their fingers and hope. With Adalo, you’re in complete control to add, adjust, or even build a new app. Our company is named after Ada Lovelace, widely considered to be the world’s first computer programmer. -
24
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 -
25
UI Bakery
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 appStarting Price: $10/user/month -
26
Softr
Softr
Softr is the AI app builder for business operations. Build secure internal tools and portals with databases, workflow automation, and integrations included. Access control and granular permissions are built in— so your apps are secure, scalable, and ready for real users immediately. This means non-technical teams can launch, maintain, and change their own tools without relying on developers. Build with AI, edit visually, or switch between the two at any time. Over 1 million teams, including Netflix, Google, Stripe, UPS, and Clay, use Softr to build and run business operations apps.Starting Price: $49 per month -
27
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 -
28
Deskree
Deskree
The first low-code cloud. Unleash your app's potential with Deskree, the no-code backend platform that simplifies and accelerates the infrastructure development process. Effortlessly create and deploy your backend in minutes, regardless of your experience in backend or devops. No more struggling with infrastructure provisioning, architecture planning, and complex CI/CD pipelines! Deskree offers a comprehensive suite of features, including database management, authentication, user roles and permissions, REST and GraphQL API, and more. Transform your app development journey with the power of Deskree's user-friendly, intuitive platform.Starting Price: $19.99 per month -
29
Bubble
Bubble
Create and launch fully-functional, data-driven web applications in a fraction of the time necessary to code it from scratch using Bubble! Bubble is powered by a robust point-and-click editor that allows users to build fully customizable web applications and workflows ranging from simple prototypes to complex marketplaces, SaaS products, and more. Over 1 million users have found success building and launching businesses on Bubble - many have gone on to participate in top accelerator programs, such as Y Combinator, and one company even raised $365M in venture funding. Bubble is more than just a product. It has created a strong community of builders and entrepreneurs that are united by the belief that everyone should be able to create technology. Traditional web applications require you to manage your code and set up a deployment process to a web server. Bubble handles deployment and hosting for you. There are no hard limits on the number of users, volume of traffic, or data storage.Starting Price: $25 per app per month -
30
ACE4J
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
