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looking for an experienced React Native developer to build a modern AI-powered mobile keyboard application. The app will provide smart typing assistance, including AI-based reply suggestions and sentence improvement features, similar to advanced keyboards like Gboard but with enhanced AI capabilities. This is an MVP project with potential for long-term collaboration. Key Responsibilities: * Develop a custom mobile keyboard for Android and iOS * Implement smart AI-based suggestions (auto reply, grammar correction) * Integrate APIs for AI/NLP features * Ensure smooth performance and responsive UI * Collaborate on improving UX and feature flow Core Features: * Custom keyboard UI with suggestion bar * AI smart replies based on user input * Grammar correction and tone improvement * Emoji and quick reply support * Multi-language support (English + Hinglish) Tech Stack: * React Native (for main app interface) * Native Android (Kotlin - InputMethodService) * iOS (Keyboard Extension - Swift) * API integration (AI services like OpenAI or similar) Project Scope: * MVP development (3–5 weeks) * Clean, scalable code * Future support and feature expansion Budget: Open for discussion based on experience looking for a reliable developer/team for long-term collaboration.
Project ID: 40419308
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Active 13 days ago
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Hi, I’m a React Native developer with 5+ years of experience building scalable mobile apps. I can develop your AI-powered keyboard with smart replies, grammar correction, and smooth performance using RN + native (Kotlin/Swift). I’ve worked on AI integrations and complex UI flows. Ready to deliver MVP in 3–5 days and support long-term growth.
$50 USD in 3 days
3.3
3.3
67 freelancers are bidding on average $128 USD for this job

Good to see this project, I will build the custom keyboard app — Android InputMethodService in Kotlin, iOS Keyboard Extension in Swift, and the React Native shell — with AI reply suggestions, grammar correction, and Hinglish support integrated via OpenAI's API. For the suggestion bar, I will stream completions token-by-token so predictions feel instant even on slower connections, and cache frequent replies locally to reduce API costs. Questions: 1) Do you have an OpenAI API key already, or should I plan for an alternative provider? 2) Should Hinglish detection be automatic or user-toggled? Looking forward to discussing further. Best regards, Kamran
$90 USD in 5 days
7.4
7.4

Hi, We’ve developed several AI-driven products, including a Chrome extension that uses OpenAI’s models to summarize and rewrite text. We also built a custom mobile browser with a built-in web server for secure file sharing, which was later adapted into a fully-fledged product. With 15 years of experience, I’ve worked extensively with JavaScript, PHP, and Python, and I’ve led multiple startups as a co-founder. I’m equally comfortable with front-end and back-end development, and I can manage DevOps and CI/CD tasks as needed. At my web agency, we provide dedicated resources that can be switched between projects based on priority, ensuring you get the right expertise at the right time. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best regards, Adil
$126.30 USD in 7 days
5.9
5.9

Hi, I will develop a custom mobile keyboard using React Native for Android and iOS platforms. The app will feature AI-based reply suggestions, grammar correction, and multi-language support. Integration of AI/NLP APIs and ensuring smooth performance are key priorities. Let's discuss further to align on the project details. Regards, Sai Bhaskar
$100 USD in 2 days
5.7
5.7

With a strong background in React Native development, I understand your need for a modern AI-powered mobile keyboard app, focusing on AI-based reply suggestions and grammar correction akin to advanced keyboards like Gboard. My experience in developing custom mobile interfaces with AI functionalities aligns well with your project. Could you share more details on the specific AI/NLP APIs you aim to integrate for this project? Regards, Yogesh Kumar
$130 USD in 8 days
4.9
4.9

Hi, hope you are doing well. I've read your proposal very carefully and have confidence about it. I know you need a modern AI-powered mobile keyboard for Android and iOS—with smart reply suggestions, grammar correction, tone improvement, emoji support, and Hinglish multi-language capabilities—all built as a smooth, production-ready MVP. I have hands-on experience in React Native, native Android keyboard extensions with Kotlin (InputMethodService), and iOS keyboard extensions with Swift, plus integrating OpenAI and similar AI/NLP APIs. This is my approach: First, set up the native keyboard shell on both platforms with a consistent suggestion bar UI. Then, integrate AI APIs for real-time sentence improvement and smart replies. Next, build the React Native wrapper for settings, onboarding, and analytics. Finally, optimize performance, handle edge cases (multi-language + emoji), and test across devices. I can start right now and deliver a clean, scalable MVP within your 4 week timeline. Looking forward to your reply. Best.
$140 USD in 7 days
5.1
5.1

✋ Hi There!!! ✋ THE PROJECT GOAL:- BUILD AN AI POWERED MOBILE KEYBOARD APPLICATION WITH SMART TYPING ASSISTANCE, NLP BASED SUGGESTIONS, AND CROSS PLATFORM SUPPORT I have carefully read and understood your complete requirement for an AI driven mobile keyboard MVP with advanced suggestion and reply features. I am the best fit because I specialize in React Native and native mobile development with API integration and AI based features. Custom keyboard development for Android and iOS with smooth performance and responsive UI AI powered suggestions including smart replies, grammar correction, and tone improvement API integration with NLP services and scalable architecture for future expansion UI DESIGN, DATABASE MANAGEMENT, TESTING, AND FULL SOURCE CODE DELIVERY AT COMPLETION INCLUDING MOBILE AND NATIVE INTEGRATION 9+ YEARS EXPERIENCE AS FULL STACK DEVELOPER WORKING ON MOBILE APPS, AI INTEGRATION, AND CROSS PLATFORM DEVELOPMENT Completed similar AI based mobile applications with real time suggestions and API driven intelligence features Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$112 USD in 11 days
5.0
5.0

Hi, Your MVP is feasible, but a production-usable AI keyboard is not just a standard React Native app. The core keyboard layer needs native implementation on both sides: Kotlin `InputMethodService` for Android and a Swift keyboard extension for iOS, with React Native handling the main app/settings flow. I can help you build this in a practical MVP shape: - custom keyboard UI + suggestion bar - AI reply suggestions via API - grammar/tone improvement flow - emoji / quick replies - English-first, with Hinglish support scoped carefully I’ve built native Android products, offline-capable mobile apps, and low-latency AI interfaces, so I’m comfortable with the performance and integration side of this project. My suggestion is to build this in 2 phases: 1) keyboard core + API-assisted suggestions 2) refinement for correction, tone, multilingual behavior, and UX polish One important question: for the MVP, do you want full typing inside the custom keyboard itself from day one, or can we scope phase 1 around keyboard input + AI suggestion actions first? That decision affects timeline and cost a lot. If you want, I can start by defining the MVP boundaries and shipping the first working keyboard build quickly. Best,
$30 USD in 7 days
4.7
4.7

I can design and build a modern AI-powered mobile keyboard using React Native that feels fast, intuitive, and production-ready. I understand you need more than a basic keyboard—you’re looking for smart, context-aware suggestions powered by AI while still maintaining a smooth mobile experience. I’ve worked on React Native apps that integrate third-party AI/ML services, custom input components, and low-latency interactions where performance and responsiveness are critical. This includes managing complex state, optimizing rendering, and handling permissions and OS-level integration on both iOS and Android. My approach would be to first define the core keyboard features and AI capabilities, choose or integrate the appropriate AI backend, then build a modular React Native codebase that’s easy to extend. I’d also ensure proper analytics, crash reporting, and testing are in place from the start. I would love to chat more about your project! Regards
$140 USD in 7 days
4.7
4.7

Hi, I am excited about the opportunity to develop your AI-powered mobile keyboard application. With extensive experience in React Native, Kotlin, and Swift, I have built intuitive, responsive mobile apps that integrate seamlessly with AI APIs. I understand the importance of delivering smart typing assistance features like AI-based reply suggestions, grammar correction, and tone improvements while ensuring smooth UI/UX across both Android and iOS platforms. I will develop a custom keyboard UI with a dynamic suggestion bar, implement the AI/NLP-based smart replies, and support multi-language inputs including English and Hinglish. My approach ensures scalable, maintainable code for this MVP, setting a solid foundation for future feature expansions. I am also keen on a long-term collaboration to enhance and optimize the keyboard experience. I propose to start immediately and aim to deliver the MVP within 4 weeks, aligning with your timeline. What AI API or NLP service do you prefer or plan to use for the smart suggestion and grammar correction features? Best regards,
$155 USD in 17 days
4.5
4.5

Hey there! I'm really excited about the opportunity to work on your AI-powered mobile keyboard app. With my experience in React Native and a knack for creating smooth, responsive UIs, I'm confident I can help bring your vision to life. I've worked with AI/NLP integrations before, so building those smart typing features will be right up my alley. Plus, crafting a user-friendly keyboard with all the bells and whistles like grammar correction and multi-language support sounds like an awesome challenge. Let's chat more about your goals and how we can collaborate long-term. Looking forward to hearing from you! Cheers!
$140 USD in 7 days
4.0
4.0

Hi, there, I'm Kris from McKinney, Texas. I've worked on similar projects before, and with over 15 years of experience as a senior full-stack and AI engineer, I'm fully qualified to delivery this properly. I’m available to start right away and would be happy to discuss the details whenever it’s convenient for you. I would love to connect in chat to discuss details. Warm regards, Kris Kramer
$30 USD in 1 day
3.9
3.9

Hi, This is a strong MVP idea, but it needs to be built with the right structure from day one. I’d use React Native for the main app/settings screen, Kotlin for Android InputMethodService, and Swift for the iOS keyboard extension. AI features like smart replies, grammar correction, tone improvement, emoji/quick replies, and English/Hinglish support can be handled through an API layer using OpenAI or similar. The main focus would be smooth typing performance, secure text handling, and a clean suggestion bar that feels fast—not heavy. I’ve worked on mobile apps, API integrations, and AI-powered workflows, so I’d keep the MVP focused, stable, and ready for future expansion.
$250 USD in 5 days
3.2
3.2

Hi, ⭐15+ Yrs Sr Developer here⭐ Your AI keyboard MVP needs a careful mix of React Native UI, native keyboard extensions, and fast AI/NLP integration. I can build the main app in React Native, with Android InputMethodService in Kotlin and iOS Keyboard Extension in Swift for a real custom keyboard experience. The suggestion bar can support smart replies, grammar correction, tone improvement, emojis, quick replies, and English/Hinglish flows. I’ll keep performance smooth, code scalable, and the MVP structure ready for future features after launch. If you think I am a good fit, feel free to ping me anytime. — GAZMIR
$100 USD in 3 days
3.0
3.0

Hi, An MVP AI-powered keyboard demands tight cohesion between React Native UI and platform-specific input layers. Your scope—smart replies, grammar correction, multi-language support (English + Hinglish), and low-latency suggestions—needs native Android (Kotlin InputMethodService) and iOS Keyboard Extension handling plus reliable AI API orchestration. I’ll structure the stack to scale from MVP to long-term enhancements without redesign. I’ll build the custom keyboard surface in React Native with a suggestion bar, emoji and quick-reply flows, while embedding Kotlin and Swift modules for secure IME lifecycle, low-latency text capture, and on-device preprocessing. AI services (OpenAI or comparable) will be integrated via RESTful endpoints with token management, fallbacks, and streaming for responsive tone improvement and grammar fixes. Performance, privacy, and smooth UI transitions are prioritized. With 10 years delivering scalable mobile and AI SaaS systems, I’ll ensure clean architecture, CI/CD, and extensibility for future NLP features. Roadmap aligns to your 3–5 week MVP with clear milestones and QA across locales, enabling rapid iteration and stable releases. Lets connect in chat so that we discuss further. Regards, Mohd Nadeem Khan
$140 USD in 35 days
2.8
2.8

Hello, I’m an experienced React Native developer with a strong track record delivering cross-platform mobile experiences. I specialize in high-performance UI, AI feature integration, and scalable architectures, making me a solid fit for building a modern AI-powered mobile keyboard with smooth Android and iOS support. I’ll architect a clean MVP that blends a native keyboard with an AI-driven suggestion engine, ensuring responsive typing, fast auto-replies, and robust NLP enhancements that scale as features evolve. In past projects I’ve implemented native keyboard extensions and cross-platform interfaces, integrating AI/NLP services to power smart suggestions, grammar improvements, and tone adjustments. I focus on a polished UX with responsive layouts, minimal latency, and clean, maintainable code that’s ready for long-term collaboration. I can deliver the MVP within 3-5 weeks, with a scalable foundation for future growth. I will handle API integration, multi-language support (English + Hinglish), and a user-friendly suggestion bar while keeping performance front and center. Please feel free to reach out so we can discuss requirements, milestones, and a tailored plan. I’m excited about the possibility of working together. Best regards, Billy Bryan
$250 USD in 5 days
2.0
2.0

I will build a high-performance AI-powered keyboard using React Native with native extensions (Kotlin InputMethodService & iOS Keyboard Extension), delivering smart replies, grammar/tone correction, emoji support, and Hinglish multi-language capabilities with smooth, low-latency UX. The MVP will be completed in 3–5 weeks with clean, scalable code and AI API integration, ready for future enhancements and long-term collaboration.
$140 USD in 7 days
2.2
2.2

Hey, I am ready when you are.✅ I’ve worked on something very similar. What really matters here is developing a custom mobile keyboard with advanced AI features. The tricky part is ensuring smooth performance and integrating complex AI/NLP APIs seamlessly. I recently built a chatbot with AI reply suggestions and natural language processing. While not the same, the technical challenges are similar. I'd approach this by focusing on clean, scalable code and prioritizing user experience. Let's chat! -Dorofii
$120 USD in 7 days
1.6
1.6

Hello, With over 7 years of experience in NLP, Mobile App Development, and React Native, I am well-equipped to take on the challenge of building an AI-powered mobile keyboard application as described. I understand the project requirements and am committed to delivering a professional solution that aligns with your vision. My expertise lies in building scalable SaaS, fintech, and eCommerce systems with a strong focus on performance and real-time processing. I have a proven track record in full-stack development using technologies such as Node.js, TypeScript, Python, and Go, along with experience in AI systems like LLM integrations and RAG pipelines. Let's discuss your project further. Please start the chat so we can explore how we can work together to bring your AI-powered mobile keyboard app to life. Thanks.
$140 USD in 7 days
1.6
1.6

⚠️ If you're not happy, you don’t pay. ⚠️ Hi there, Thank you for sharing the detailed project brief. I can build your modern AI-powered mobile keyboard application using React Native, Native Android (Kotlin), and iOS (Swift) with a premium AI design. I will deliver: • Custom keyboard UI with suggestion bar • AI smart replies and grammar correction • Emoji, quick reply support, multi-language • Smooth performance and responsive UI You will also receive: • Comprehensive documentation • Post-launch support I am confident I can execute your vision professionally and efficiently. Looking forward to discussing timeline and next steps. Best regards, Chirag.
$200 USD in 7 days
1.3
1.3

Hi, I can deliver what you need. I have read the details you shared and I understand the outcome you want. I have 4 years of experience in Mobile App Development, React Native, Android, Kotlin, Mobile Development, Swift, API Integration. I have completed similar projects. Visit my profile to check my latest work and read what clients say. Please connect in chat so we can discuss more details. Best regards.
$140 USD in 7 days
0.8
0.8

Addison, United States
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