Get a fully functional, cross-platform Flutter mobile app with seamless AI integration — clean, scalable code delivered for both iOS and Android by a London-based specialist team.
I Will Build a Custom AI-Integrated Flutter Mobile App for iOS and Android
A functional cross-platform Flutter app with AI model integration and user authentication — source code included.
- Functional iOS app (Flutter)
- Functional Android app (Flutter)
- Integration of an AI model into the app
- User authentication (sign-up / sign-in)
- Clean, scalable source code included
- Basic functionalities scoped and agreed before start
Everything in Core, plus AI model fine-tuning, custom UI/UX design, and chatbot integration for a polished, intelligent user experience.
- Everything included in Core AI App tier
- AI model fine-tuning for your specific use case
- Custom application UI/UX design (Figma-based)
- Chatbot integration within the mobile app
- Scalable backend setup (Node.js / Python / Laravel)
- Full source code delivered via GitHub
The complete, fully realised product — extended scope with advanced AI features, 10+ screens, and end-to-end build from design to deployment-ready code.
- Everything included in AI App + Design & Chatbot tier
- Extended app scope: 10+ custom screens and user flows
- Advanced AI model fine-tuning and real-time AI data processing
- Machine learning model integration
- Database architecture and API layer (MongoDB or MySQL)
- GitHub repository handover with structured, documented codebase
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AI Integration
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What You'll Receive
Full Description
You have a powerful AI idea. What you need now is a specialist team who can build it — cleanly, reliably, and on time.
Zinn Digital™ is a London-based mobile app development studio specialising in Flutter and artificial intelligence integration. We build cross-platform iOS and Android applications that harness the power of AI — from OpenAI API and chatbot integration to machine learning models and real-time AI data processing — and we deliver production-ready, scalable code that you own outright.
**What we build for you:**
Every project begins with a clear conversation about your objectives, your users, and the AI functionality you want to deliver. From there, we architect and develop a Flutter application that runs natively on both iOS and Android from a single, maintainable codebase. Depending on the package you choose, deliverables include a functional iOS and Android app, user authentication, AI model integration, chatbot functionality, custom UI/UX design, and AI model fine-tuning — all shipped with full source code so you are never locked in.
**Our primary stack:**
Flutter is our lead framework for cross-platform mobile development, giving your users a fast, native-feel experience on both platforms without the overhead of maintaining two separate codebases. On the backend we work with Node.js, Python, Express.js, Laravel and PHP, connecting to MongoDB and MySQL databases. We integrate with leading AI providers and APIs, and our IDE and tooling workflow runs through VS Code, Android Studio, Xcode, Figma and GitHub.
**Who this is for:**
This service is ideal for entrepreneurs and startups validating an AI-powered mobile product, product owners who need AI functionality added to an existing Flutter app, and businesses looking to deliver an intelligent, personalised mobile experience to their users. If you have a concept, a wireframe, or an existing app that needs a serious AI upgrade, we are the right team.
**How it works:**
Message us before ordering so we can scope your project accurately and confirm the right package for your needs. Once you place your order, share your project brief and any assets via the order manager. We keep you updated throughout the build, deliver within the agreed timeline, and include unlimited revisions to make sure the output matches your vision.
**Quality and transparency:**
Every line of code we write is clean, commented, and structured for long-term maintainability. Source code is included across all tiers — you own what we build. We are quality-focused and client-satisfaction-driven, and we do not cut corners to hit a deadline.
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Compare Packages
| Feature | Core AI App | AI App + Design & Chatbot | Full AI Build |
|---|---|---|---|
| Delivery Time | 4 days | 7 days | 14 days |
| Revisions | unlimited | unlimited | unlimited |
| Functional iOS app (Flutter) | ✓ | ✕ | ✕ |
| Functional Android app (Flutter) | ✓ | ✕ | ✕ |
| Integration of an AI model into the app | ✓ | ✕ | ✕ |
| User authentication (sign-up / sign-in) | ✓ | ✕ | ✕ |
| Clean, scalable source code included | ✓ | ✕ | ✕ |
| Basic functionalities scoped and agreed before start | ✓ | ✕ | ✕ |
| Everything included in Core AI App tier | ✕ | ✓ | ✕ |
| AI model fine-tuning for your specific use case | ✕ | ✓ | ✕ |
| Custom application UI/UX design (Figma-based) | ✕ | ✓ | ✕ |
| Chatbot integration within the mobile app | ✕ | ✓ | ✕ |
| Scalable backend setup (Node.js / Python / Laravel) | ✕ | ✓ | ✕ |
| Full source code delivered via GitHub | ✕ | ✓ | ✕ |
| Everything included in AI App + Design & Chatbot tier | ✕ | ✕ | ✓ |
| Extended app scope: 10+ custom screens and user flows | ✕ | ✕ | ✓ |
| Advanced AI model fine-tuning and real-time AI data processing | ✕ | ✕ | ✓ |
| Machine learning model integration | ✕ | ✕ | ✓ |
| Database architecture and API layer (MongoDB or MySQL) | ✕ | ✕ | ✓ |
| GitHub repository handover with structured, documented codebase | ✕ | ✕ | ✓ |
Portfolio
Examples of the seller's work related to this Zinn.
Build a Custom AI-Integrated Flutter Mobile App for iOS and Android
Build a Custom AI-Integrated Flutter Mobile App for iOS and Android
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Frequently Asked Questions
Yes — we strongly recommend messaging us first so we can confirm the scope of your project, agree on the right package, and make sure we have everything we need to start immediately. This avoids delays and scope misunderstandings once the order is placed.
Please share your app concept, the AI functionality you want (e.g. which AI model or API, what the chatbot should do), any design references or wireframes, and login credentials or API keys if we are integrating with an existing system. The more detail you provide, the faster we can move.
It means we connect your mobile app to an AI model or API — for example, OpenAI's API, a custom-trained model, or another AI service — so that the app can send and receive intelligent responses in real time. The specific model depends on your project requirements, which we confirm before starting.
Yes. If you only need one platform, simply let us know when you get in touch. Because we build in Flutter, both platforms are built simultaneously from the same codebase, but we can scope and deliver a single-platform version if that is all you need.
Unlimited revisions means we will continue refining the deliverable until it matches the agreed brief. Revisions apply to what was originally scoped — they do not cover new features or changes to the original requirements. If your brief changes significantly during the build, we will discuss this with you openly.
Yes. Source code is included in every tier and is delivered via GitHub. You own the code outright and can continue developing it independently or with any other team after handover.
We offer a 30-day post-launch support add-on covering bug fixes, minor updates, and technical queries. For ongoing development and new features, please get in touch to discuss a longer-term arrangement.
The AI App + Design & Chatbot tier covers a well-designed, chatbot-enabled app with AI fine-tuning — typically suitable for a focused MVP or single-purpose tool. The Full AI Build tier extends this to 10 or more custom screens, machine learning model integration, real-time AI data processing, and a fully architected database and API layer — suited to more complex products with multiple user flows.
Customer Reviews
See what our customers say about this Zinn
Flutter provided an excellent base for creating a dynamic user experience. The transitions between pages felt natural and smooth. The interface maintained balance between design and performance. Elements were properly aligned with attention to detail. The final output looked vibrant and clean. Every gesture worked exactly as planned. Communication during development stayed clear and organized. Flutter’s flexibility really helped achieve a professional finish.
Great value for the quality received. The seller showed a deep understanding of what was required. Everything was delivered properly and on time. The finished result looks outstanding. Excellent work worth recommending.
The Flutter app was highly polished and visually attractive. Navigation across screens felt natural and intuitive. Animations and interactive features worked seamlessly. Each page maintained consistency and balance. Mobile responsiveness performed perfectly across devices. Typography and color schemes were cohesive and modern. Overall, this project delivered outstanding and engaging results.
Good design choices improved the Flutter experience significantly. Transitions now feel smoother and more intuitive. UI clarity is maintained throughout pages. Performance benchmarks improved. The layout lives up to professional standards. A carefully executed job.
The overall stability of the Flutter project stands out clearly. Transitions and animations are smooth without any delay. UI components align perfectly across pages. Functionality feels reliable in every test. The design maintains a consistent tone. This completion exceeded expectations.
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