Page 14 | Best Application Development Apps for Android of 2025

Voca

The Voca library offers helpful functions to make string manipulations comfortable: change case, trim, pad, slugify, latinise, sprintf'y, truncate, escape and much more. The modular design allows to load the entire library, or individual functions to minimize the application builds. The library is fully tested, well documented and long-term supported. Provides the complete set of functions to manipulate, chop, format, escape and query strings. Voca is compatible with ES2015 modules to import the entire library.

Starting Price: Free

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Mocha

Mocha runs in the browser. Every release of Mocha will have new builds of ./mocha.js and ./mocha.css for use in the browser. By adding an argument (usually named done) to it() to a test callback, Mocha will know that it should wait for this function to be called to complete the test. This callback accepts both an Error instance (or subclass thereof) or a falsy value; anything else is invalid usage and throws an error (usually causing a failed test). These reporters expect Mocha to know how many tests it plans to run before execution. This information is unavailable in parallel mode, as test files are loaded only when they are about to be run. In serial mode, tests results will “stream” as they occur. In parallel mode, reporter output is buffered; reporting will occur after each file is completed. In practice, the reporter output will appear in “chunks” (but will otherwise be identical). If a test file is particularly slow, there may be a significant pause while it’s running.

Starting Price: Free

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Aurelia

Aurelia's standards-based, unobtrusive style makes it the only framework that empowers you to build components using vanilla JavaScript or TypeScript. If you know modern JS and HTML, there's little more to learn to build even the most complex apps. At the core of Aurelia is a high-performance, reactive system, capable of batching DOM updates in a way that leaves other frameworks, and their virtual DOMs, in the dust. Experience consistent, scalable performance, no matter how complex your UI. Aurelia enables powerful reactive binding to any object. By using adaptive techniques Aurelia selects the most efficient way to observe each property in your model and automatically syncs your UI and your state with best-in-class performance. State management, internationalization and validation - all official plugins from the core team. CLI, VS Code plugin, and Chrome debugger - optional tools to enhance development.

Starting Price: Free

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WinJS

Microsoft is committed to making sure that WinJS continues to run for existing customers. At this time we don't have plans to invest in new features or feature requests. Bug fixes will be limited to correcting substantial issues that are blocking customer deployments. We may also consider bug fixes to help our customers maintain their existing WinJS-based apps. You can contribute by reviewing and sending feedback on code checkins, suggesting and trying out new features as they are implemented, submitting bugs and helping us verify fixes as they are checked in, as well as submitting code fixes or code contributions of your own. Note that all code submissions will be rigorously reviewed and tested by the team, and only those that meet an extremely high bar for both quality and design appropriateness will be merged into the source.

Starting Price: Free

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Babylon.js

Our passion is to make it completely open and free for everyone. We are artists, developers, creators, and dreamers and we want to make it as simple as possible to enable everyone to bring their ideas to life. This is an important milestone for the Babylon.js platform. Babylon.js was named with a deep love and admiration of one of the greatest sci-fi shows of all time, and we are thrilled to announce the launch of the next version of the Babylon.js platform. Babylon.js 5.0 is quite simply the biggest, boldest, and most ambitious update to the platform to date. We know developers want to reach as many people as possible with as little effort as possible. We are proud to announce that Babylon.js 5.0 unlocks the ability to use the Babylon.js API to develop web AND native applications.

Starting Price: Free

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Dojo Toolkit

A JavaScript toolkit that saves you time and scales with your development process. Provides everything you need to build a Web app. Language utilities, UI components, and more, all in one place, designed to work together perfectly. The Dojo Toolkit Reference Guide is designed to be an in-depth resource regarding the Dojo Toolkit. The Reference Guide is a community effort and can be contributed to by anyone who has a CLA in place with the Dojo Foundation. An extensive set of widgets (user interface components) and the underlying system to support them. It is built fully on-top of the Dojo core. Various tools that support the rest of the toolkit, like being able to build, test and document code.

Starting Price: Free

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Blockly

Google

The Blockly library adds an editor to your app that represents coding concepts as interlocking blocks. It outputs syntactically correct code in the programming language of your choice. Custom blocks may be created to connect to your own application. Blockly in a browser allows web pages to include a visual code editor for any of Blockly's five supported programming languages, or your own. In Blockly Games, pictured here, users can solve a maze using Blockly's editor on the right. Blockly plugins are self-contained pieces of code that add functionality to Blockly. Plugins can add fields, define themes, create renderers, and much more. Blockly codelabs provide step-by-step instructions on how to use and customize Blockly. Sample projects that show how to use many of Blockly's features.

Starting Price: Free

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RequireJS

RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino and Node. Using a modular script loader like RequireJS will improve the speed and quality of your code. This setup assumes you keep all your JavaScript files in a "scripts" directory in your project. To take full advantage of the optimization tool, it is suggested that you keep all inline script out of the HTML, and only reference require.js with a requirejs call like so to load your script. All of them map to loading some/path/some/module.js. Ideally we could choose the CommonJS syntax, since it is likely to get more common over time, and we want to reuse code.

Starting Price: Free

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Kotlin

Easy to pick up, so you can create powerful applications immediately. Compatible with the Java ecosystem. Use your favorite JVM frameworks and libraries. Share application logic between web, mobile, and desktop platforms while keeping an experience native to users. Save time and get the benefit of unlimited access to features specific to these platforms. Kotlin has great support and many contributors in its fast-growing global community. Enjoy the benefits of a rich ecosystem with a wide range of community libraries. Help is never far away — consult extensive community resources or ask the Kotlin team directly. Kotlin Multiplatform Mobile is an SDK for iOS and Android app development. It offers all the combined benefits of creating cross-platform and native apps. Maintain a single codebase for networking, data storage, analytics, and the other logic of your Android and iOS apps.

Starting Price: Free

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Swift

Apple

Writing Swift code is interactive and fun, the syntax is concise yet expressive, and Swift includes modern features developers love. Swift code is safe by design and produces software that runs lightning-fast. Swift is the result of the latest research on programming languages, combined with decades of experience building Apple platforms. Named parameters are expressed in a clean syntax that makes APIs in Swift even easier to read and maintain. Even better, you don’t even need to type semi-colons. Inferred types make code cleaner and less prone to mistakes, while modules eliminate headers and provide namespaces. To best support international languages and emoji, Strings are Unicode-correct and use a UTF-8 based encoding to optimize performance for a wide-variety of use cases. You can even write concurrent code with simple, built-in keywords that define asynchronous behavior, making your code more readable and less error-prone.

Starting Price: Free

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RemObjects Mercury

Mercury is an implementation of the BASIC programming language that is fully code-compatible with Microsoft Visual Basic.NET™, but takes it to the next level, and to new horizons. With Mercury, you will be able to build your existing VB.NET projects and leverage your Visual Basic™ language experience to write code for any modern target platform. You can mix Mercury code with any of the other five Elements languages in the same project if you like! The Mercury language will be deeply integrated into our development environments. Develop your projects in our smart yet lightweight IDEs, Water on Windows or Fire on Mac, with project templates, code completion, integrated debugging for all platforms, and many other advanced development features. Of course, Mercury will also integrate into Visual Studio™ 2017, 2019 and 2022. With Elements, all languages are created equal. Even within the same project, you can mix Mercury, C#, Swift, Java, Oxygene and Go.

Starting Price: $49 per month

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Onymos

Time to market can make or break any app dev project. Yet many enterprises, agencies, and developers slow innovation by burning countless hours building core functionality from scratch and extending development timelines. When you can get the Features your app needs out of the box, development begins with the foundation already in place, and you can move fast from day one. Cut development time by as much as 80%. You can deploy in days, not months when you build your app with ready-made, full-stack features from Onymos. The average Onymos feature has over a thousand hours of development time, and that number’s only getting bigger. When software or APIs get updated, our features do too. UI/UX, front-end logic, and integrated cloud services like Stripe, APNs, and Amazon S3. When you use Onymos Features, you get it all. Companies like Albertsons, CVS Pharmacy, and Walmart are already building their apps with Onymos.

Starting Price: $0.60 per month

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Xafari Framework

Galaktikasoft

Xafari is a business application framework for .NET developers. It is a set of components, modules, and utilities complementing XAF, DevExpress framework, and enhancing its capacity. Xafari provides further modules for DevExpress XAF UI (Workplaces, Doc Panels, Wizards and others) and business logic (XafariModuleBase, AppModule, Application settings and others). The framework is intended to create complex business applications in two- and three-tier architecture. Our one-year subscription provides you with the greatest tools and components for business application development. Test it for free! Download our 30-days free trial and start your app creation right now. More than 100 additional modules. More than 50 additional functions and solutions. More than 40 new editors. More than 10 examples and online BI platforms to explore new opportunities. A set of ERP components. WinForms, WebForms, and ASP.Net MVC platforms support. Qualified and prompt technical support.

Starting Price: $299 per year

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BuildVu

IDR Solutions

With BuildVu, you’ll unlock precise PDF-to-HTML/SVG conversion, giving you greater control and added functionality over PDF in your web application. -Optimized Content: BuildVu intelligently converts PDFs, optimizing for smaller file sizes and fast rendering in browsers. -File Metadata: Access PDF data in JSON format, including metadata, word lists, outlines (bookmarks), and annotations. -Thumbnails: Generate high-quality page thumbnails with customizable dimensions. -Annotations: Enjoy support for various annotation types (Links, Popups, Sound/Video, Text, Highlight, Underline) in easy-to-use JSON format. -search.json: Extract all text from the document alongside the HTML content. -Font Conversion: Restructure embedded fonts for compatibility across web browsers. -Office Conversion: Combine BuildVu with LibreOffice for seamless conversion from Office formats (Word, PowerPoint, Excel).

Starting Price: $450 per month

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FormVu

IDR Solutions

FormVu is an SDK designed to convert PDF Form files into standalone HTML with interactive form components. Here are some of its key features: -Interactive Conversion: Converts PDF forms into HTML while retaining their appearance and functionality. -Data Security: Runs on your own servers, ensuring customer data remains secure and private. -Versatile Integration: Supports both AcroForms and XFA Forms and can be integrated into web applications. -Flexible Output: Allows saving filled forms back as PDFs or posting data as HTML form data or JSON. -Users can continue to use Forms in a web browser. Converted PDF forms retain their appearance and interaction. Data can be saved to the original file. -PDF forms can be easily and securely integrated into a Web application workflow while retaining all their interaction and functionality. -Forms are converted and hosted on your Computers. FormVu is not a cloud service and makes no calls outside. So customer data is always

Starting Price: $1,800 per month

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Ring

The Ring is a practical general-purpose multi-paradigm language. The supported programming paradigms are imperative, procedural, object-oriented, declarative using nested structures, functional, meta programming and natural programming. The language is portable (Windows, Linux, macOS, Android, WebAssembly, etc.) and can be used to create Console, GUI, Web, Games and Mobile applications. The language is designed to be simple, small and flexible. The language is simple, trying to be natural, encourage organization and comes with transparent and visual implementation. It comes with compact syntax and a group of features that enable the programmer to create natural interfaces and declarative domain-specific languages in a fraction of time. It is very small, flexible and comes with smart garbage collector that puts the memory under the programmer control. It supports many programming paradigms, comes with useful and practical libraries.

Starting Price: Free

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Sails

Build practical, production-ready Node.js apps in a matter of weeks, not months. Sails is the most popular MVC framework for Node.js, designed to emulate the familiar MVC pattern of frameworks like Ruby on Rails, but with support for the requirements of modern apps, data-driven APIs with scalable, service-oriented architecture. Sails makes it easy to build custom, enterprise-grade Node.js apps. Building on top of Sails means your app is written entirely in JavaScript, the language you and your team are already using in the browser. Sails bundles a powerful ORM, Waterline, which provides a simple data access layer that just works, no matter what database you're using. Sails comes with blueprints that help jumpstart your app's backend without writing any code. Since Sails translates incoming socket messages for you, they're automatically compatible with every route in your Sails app. Sails offers commercial support to accelerate development and ensure best practices in your code.

Starting Price: Free

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Zebedee

From high-stakes esports tournaments to casual mobile games, our world is open to everyone. Bitcoin is programmable money. We make it a seamless part of the game experience. If you can scan a QR code, you can earn with Zebedee. Straightforward, instant, and available now. Play our games or play with our APIs. Either way, you'll soon discover why Bitcoin is transforming the world of gaming. Open a new acquisition channel and revenue stream in the quickly growing world of Bitcoin gaming. Gain an edge over your competition by offering cutting-edge Bitcoin Lightning services and a gateway into the exploding world of Bitcoin gaming. Play a single intense match with live Bitcoin transfers and earn a share of the prize pot based on your percentage of the total score. In survival mode, your sats are your life. When you score, you get an extra life. When you die, you lose some life. If you run out of seats, you get kicked from the match.

Starting Price: Free

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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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KnowledgeKube

KnowledgeKube is the low-code platform for creating truly scalable enterprise applications for greater success. Painlessly migrate from legacy systems at a pace to suit you, with a true enterprise-grade, low-code solution. Digitize user journeys and empower people to better self-serve, whilst easily publishing natively across all devices. Our powerful workflow engine enables you to simplify, digitize and automate complex processes with ease. Future-proof by building for the cloud, start small to scale with confidence on a truly headless elastic cloud architecture. KnowledgeKube helps organizations around the globe to create scalable applications faster. Business users, seasoned developers, and designers alike are empowered across your organization to work more collaboratively and effectively to rapidly build applications of any size. KnowledgeKube is the low-code platform that enables you to produce enterprise web and mobile apps faster and more cost-effectively.

Starting Price: $271.73 per month

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TeeChart

Steema Software

Full 100% Delphi source code is available to you as an option. Discover the user-friendly editor dialogs, available both at design time and also run-time, for almost every component and sub-component. Steema provides products and services aimed at meeting your highest expectations on getting the best value for your money. We have been innovating for TeeChart components since 1995 and endeavor to continue to bring you the best of new features in the future. You can also use TeeChart (sourcecode version only) with FMXLinux to port/build your charting applications to/for Linux with Embarcadero Delphi 10.2 Tokyo and up. TeeChart will scale and fit to any screen size. If you're building dashboards you can place multiple, resizeable charts on each dashboard panel. FireMonkey framework will handle most of the variations for the different platforms. See examples showing how to use TeeChart for FireMonkey apps.

Starting Price: $99 per year

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EthOS

EthOS gives companies a lens into the everyday lives of their customers, consumers, and employees. By seeing how people interact with products and services in real-world situations, companies are able to identify hidden problems, unearth new opportunities, and better understand the needs of their customers. Picture and video-based tasks allow you to be in-the-moment with participants, and live chat functionality helps you derive deeper understanding through real-time probing. Easily analyze and organize participant entries on Ethos’s intuitive dashboard. Out of the box reports, along with automated transcriptions, sentiment, and tone analysis help you uncover themes and insight more efficiently. EthOS is a simple to use DIY tool, but our team of researchers are available to offer a helping hand or take on full-service projects.

Starting Price: $1500

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Skysens IoT Platform

Skysens

Skysens IoT platform is an application layer with middleware specialized for IoT applications. The platform can work with multiple IoT sources either IP-based or non-IP based such as LPWAN with multiple features such as user management, alarming, reporting, rule management, and many more. With Skysens middleware, the platform can work with existing legacy data sources such as SCADA will full functionality. It has different application modules for smart industry, smart cities, and smart businesses for easy use. Different pre-configured applications such as condition monitoring, indoor and outdoor location tracking, maintenance monitoring, and many more. Device ID-based cross rule function in order to create smart actions depending on the rules with help of bi-directional connectivity of LPWAN networks. API server for connectivity agnostic LPWAN-based application integration with REST APIs. Skysens Mobile app is ready for use on Android and iOS.

Starting Price: Free

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DeepAR

A robust, easy-to-use SDK powering 60 million AR experiences every month. Add 3D face masks, effects, and more with better performance than Snapchat in a powerful SDK built for iOS, MacOS, Android, and HTML5. Add 3D face masks and effects, with better performance than Snapchat in a powerful SDK built for iOS, Android, HTML5, and Unity. Apply AR effects to up to 4 faces simultaneously on any device, without glitching or lagging. Using advanced deep learning techniques we can dynamically change hair color in live video. Create an immersive AR experience by replacing backgrounds in real-time. Detect faces showing sad, happy, angry, surprised, and scared emotions in a video feed. Track 17 key body points on the waist, shoulders, elbows, arms, and head. Turn any 3D file into an AR asset Benefit from every feature, pay as you grow. Create an account for free and integrate the SDK within minutes. We even have a load of prebuilt integrations to make your life easier.

Starting Price: $25 per month

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Avalonia UI

Avalonia UI enables developers to create multi-platform apps with .NET. Write once, and run everywhere. Save time and focus on your product. Considered a spiritual successor to WPF, Avalonia UI provides a familiar developer experience, allowing you to leverage years of pre-existing knowledge and investments. rusted by JetBrains as the best framework for modernizing their WPF-based tools, used by >170,000 companies, including 431 on the Fortune 500 list. Our developer community has grown enormously as Avalonia UI has grown in popularity. Join us and be welcomed into our supportive and vibrant community.

Starting Price: Free

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Bekonix

Our goal is really to help you create smart, connected projects and products from concept to final design. So that means everything from putting together the hardware components, the firmware, the behaviors and even the end-user mobile app to control it. The Bekonix Platform lets you try out ideas in minutes that would take days or weeks the traditional way. What’s more, since no programming is required, motivated creatives can jump in and not just talk about making a smart, connected product but invent it in real time. Unlike many prototyping tools out there, Bekonix is built for the next level of manufacturing. Real code, real connections. If you need larger volumes to reduce hardware costs, Bekonix can easily migrate with your needs.

Starting Price: $79 per month

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AR-media

Inglobe Technologies

With AR-media player, you can visualize and interact with augmented & virtual reality experiences created with the AR-media Studio platform. The App allows you to access public or privately shared content created with AR-media. You can browse through public projects via the AR-media gallery or access private content via the private share feature. You can also download your projects on your device for offline use. Contents can be of different kinds, including interactive blueprints, geolocated or spatial. The app will guide you to visualize and interact with the content. Every project comes with a description and instructions to best visualize it. For example, architectural projects may be associated with project blueprints, specific locations or with any environment; depending on the project, by accessing it on the AR-media Player you will be prompted to scan the project blueprint, get closer to a given location, or scan any area to start experiencing the project content.

Starting Price: €8 per month

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VPNGN

VPNWholesaler.com

Using our VPNGN platform, you can create your own VPN brand within a couple of minutes. Your VPN brand will be powered by our powerful VPNGN apps, supporting all major devices and operating systems. You can integrate VPNGN into your own app(s) with only a few lines of code. This is useful in case you would like to have your own app rather than relying on our VPNGN app entries. For example, if you want to create an iOS app and integrate a paywall and in-app purchases. Fully customize the VPN interface based on your specifications. Allows you to fully customize our VPN SDK for your needs, and integrate it into your app(s). Development time on your end would be significantly higher compared to the in-app VPNGN SDK. This option is open only to selected partners who proved that they can drive a good amount of daily sales and rebills. In this route, all the heavy lifting is done on our end, as we create branded VPN apps and customized back-end for the partner.

Starting Price: $250 per month

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BotsCrew

We provide end-to-end chatbot development services, including: - Discovery phase (tech investigation) - Project and Account Management - Conversational Design (Flow) - QA & Testing Services - DevOps Services & Custom development - Chatbot Support & Maintenance - Rapid Chatbot Development (A chatbot in less than 2 weeks) - Chatbots based on GPT-3, ChatGPT development - Chatbot Migration Services - Chatbot Rescue Services - UX & Graphic Design services - Chatbot Persona and Personality creation At every stage of the chatbot journey, our team of Business Analysts, Customer Success Managers, Conversational Designers, Chatbot Developers, QAs will lead you to the best matching solution for your company. Apart from that, we have a Conversational AI platform for our clients. We happen to work with more than 80 amazing clients from all over the world. Our clients include startups that raised 10m now and companies like Samsung NEXT, Mars, Natera, Virgin, BMC.

Starting Price: $50 - $99 / hr

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Kameleo

Kameleo is the ultimate anti-detect browser engineered specifically for maximized success rates in bypassing anti-bot systems, delivering cost-effective web scraping and browser automation with human-like behavior. With auto-updating fingerprint masking, built-in proxy support and lightning-fast performance, users can bypass evolving anti-bot systems and scrape at scale without bans or downtime. Deploy on-premises or in the cloud to minimize costs while enjoying 99.99% uptime. Rapid release cycles and continuous stealth testing maximize success rates, and developer-friendly SDKs for Playwright, Puppeteer or Selenium minimize maintenance hours. In under five minutes, anyone can get started via our intuitive GUI. Plus, our free trial gives everyone the opportunity to try Kameleo for both web scraping and multi-account management.

Starting Price: €59 per user per month

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Best Application Development Apps for Android - Page 14

Compare the Top Application Development Apps for Android as of October 2025 - Page 14