Cross-platform Flutter app with AI/LLM integration, professional UI, and full source code — built for iOS & Android by a London-based development team.
I Will Build an AI-Powered Flutter Mobile App for iOS & Android
A focused AI-integrated app covering 9–12 screens with professional UI, API integration, and an LLM model — ideal for validating your concept quickly.
- 9–12 screens with professional UI
- Functional iOS & Android app
- AI / LLM model integration
- User authentication
- API integration
- Full source code included
Everything in Starter plus bespoke UI/UX design, AI model fine-tuning, and chatbot integration — ideal for teams ready to launch a polished, market-ready product.
- Everything in Starter
- Bespoke application / website design
- AI model fine-tuning
- Chatbot integration
- App Store & Google Play submission
- Full source code included
A full-scale AI SaaS or complex mobile product with 9–12+ screens, premium UI, fine-tuned AI, chatbot, and dedicated launch support — built for production from day one.
- Everything in Growth
- Complex / SaaS-grade architecture
- Extended screen count & advanced feature set
- Priority communication & dedicated project management
- App Store & Google Play submission
- Full source code included
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Value Position
Tech Stack
AI Integration
Ownership
Best For
What You'll Receive
Full Description
Struggling to find a development team that truly understands both mobile app craft and AI integration? You've found them.
Zinn Digital ™ is a London-based Flutter development team specialising in AI-powered mobile applications for iOS and Android. We combine deep technical expertise with clear communication — so you always know where your project stands.
We've delivered apps across Education, Business, Health & Fitness, and more, incorporating intelligent features such as LLM chatbots, image recognition, speech processing, and bespoke AI SaaS platforms. Whether you're validating an idea or building a production-ready product, we match the right solution to your stage and budget.
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What You Will Get
• Bespoke Flutter mobile app (iOS & Android)
• Seamless AI / LLM model integration
• Professional, intuitive UI with smooth screen transitions
• User authentication
• Full source code delivered to you
• API integrations
• Bug fixes & performance optimisation
• App deployment & launch support
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My Process
1. Discovery & Requirements — After your order, we review your brief, ask any clarifying questions, and align on scope, features, and design direction before a single line of code is written.
2. UI/UX Design — We produce screen designs and flows for your approval. You see exactly what will be built before development begins.
3. Development & AI Integration — Our Flutter engineers build the app and integrate your chosen AI model or LLM. We keep you updated throughout via the order chat.
4. Testing & QA — Every screen, flow, and integration is tested on both iOS and Android before handover.
5. Delivery & Launch Support — We deliver the full source code and, on Growth and Enterprise tiers, handle app store submission to both the App Store and Google Play.
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Why Choose Zinn Digital ™
• Experienced Flutter team with cross-industry delivery track record
• Skilled in-house UI/UX designers (3+ years experience each)
• AI-first approach — not a generic mobile studio bolting on AI as an afterthought
• Transparent communication throughout every stage
• 100% satisfaction focus
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Choose the tier that fits your project below, or message us before ordering if you'd like to talk through your requirements first.
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Compare Packages
| Feature | Starter | Growth | Enterprise |
|---|---|---|---|
| Delivery Time | 5 days | 14 days | 21 days |
| Revisions | 1 | 2 | 3 |
| 9–12 screens with professional UI | ✓ | ✕ | ✕ |
| Functional iOS & Android app | ✓ | ✕ | ✕ |
| AI / LLM model integration | ✓ | ✕ | ✕ |
| User authentication | ✓ | ✕ | ✕ |
| API integration | ✓ | ✕ | ✕ |
| Full source code included | ✓ | ✓ | ✓ |
| Everything in Starter | ✕ | ✓ | ✕ |
| Bespoke application / website design | ✕ | ✓ | ✕ |
| AI model fine-tuning | ✕ | ✓ | ✕ |
| Chatbot integration | ✕ | ✓ | ✕ |
| App Store & Google Play submission | ✕ | ✓ | ✓ |
| Everything in Growth | ✕ | ✕ | ✓ |
| Complex / SaaS-grade architecture | ✕ | ✕ | ✓ |
| Extended screen count & advanced feature set | ✕ | ✕ | ✓ |
| Priority communication & dedicated project management | ✕ | ✕ | ✓ |
Extra Information
My Process
Perfect For
Industries I've Served
Frequently Asked Questions
To kick things off we'll need: your logo and any brand assets, reference images or inspiration, and Google account credentials for APIs and Firebase. A software requirements document is helpful but not mandatory — if you don't have one, we'll guide you through a brief discovery conversation at the start of the order.
Revisions are included as listed per tier (Starter: 1, Growth: 2, Enterprise: 3). A revision covers changes within the agreed scope — for example, adjusting UI elements, tweaking flows, or fixing unexpected behaviour. Revisions do not cover new features or scope changes added after the project has begun; those are quoted separately. We aim to get things right first time through our upfront discovery and design approval steps.
Yes — app store submission is included in both the Growth and Enterprise tiers. For the Starter tier, we deliver the production-ready build and can guide you through the submission process, or you can add store submission as a discussion point before ordering.
You do. On delivery, full ownership of the source code and all assets created for your project transfers to you. We do not retain rights to resell or reuse your bespoke application.
Yes. We are happy to sign a mutual non-disclosure agreement prior to detailed project discussions. Please mention this when you first message us and we will arrange it promptly.
Our primary stack is Flutter (Dart) for cross-platform iOS and Android development, Firebase for backend and authentication, and REST or GraphQL APIs for integrations. For AI features we work with leading LLM APIs and can fine-tune or integrate models based on your requirements. If you have a specific stack preference, let us know before ordering.
Absolutely. Our in-house UI/UX design team (each with 3+ years of experience) handle the full design process on the Growth and Enterprise tiers. If you're on the Starter tier and need design work, speak to us before ordering and we can discuss options.
Yes — we offer 1-month and 3-month post-launch maintenance and support packages as paid add-ons. These cover bug fixes, minor updates, and performance monitoring to keep your app running smoothly after go-live.
Customer Reviews
See what our customers say about this Zinn
A truly next-level experience. The AI implementation makes the app feel alive—responding, predicting, and learning with every use. The developer clearly has expertise and delivered a polished, high-quality build.
This was a complex task, handled with real professionalism and attention to detail. Easily one of the best experiences I’ve had working with a developer. Excellent value for the price, highly reliable, and someone I would absolutely work with again. Highly recommended.
Neillu did a fantastic job creating my AI-powered app. The AI features are seamless, intuitive, and add great value. He managed the entire project with professionalism, delivering a clean, fast, and responsive app that users love.
I'm extremely satisfied with the outcome of this project. The developer showed deep technical knowledge and creative thinking throughout the build. Every milestone was hit right on time.
I'm thrilled with the AI-powered app developed by Neillu. The AI integration is sophisticated yet user-friendly, and the app runs flawlessly on all devices. Neillu was very professional and kept me informed throughout the development cycle.
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