Get a fully functional, cross-platform AI mobile app built for both iOS and Android — complete with user authentication, chatbot integration, and source code delivered by an expert full-stack development team.
I Will Build Your AI Mobile App for iOS and Android
Cross-platform AI mobile app with core features, authentication, and source code.
- Functional iOS app
- Functional Android app
- AI model integration
- Chatbot integration
- User authentication
- Full source code included
Everything in Starter plus AI model fine-tuning and full app/UI design.
- Functional iOS and Android app
- AI model integration and fine-tuning
- Chatbot integration
- User authentication
- Application and interface design included
- Full source code included
Full-scope build with fine-tuned AI, polished design, and extended delivery for complex projects.
- Functional iOS and Android app (full scope)
- Advanced AI model integration and fine-tuning
- Chatbot integration
- User authentication
- Complete application and UI/UX design
- Full source code included
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Key details about this service to help you decide. Generated by Zinn Hub, not the seller.
Value Position
Tech Stack
Starter Delivery
Included in Base
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What You'll Receive
Full Description
You have an app idea. Now you need a development team that can turn it into a polished, intelligent, cross-platform product — on time and without cutting corners. That is exactly what this service delivers.
This listing covers the complete development of an AI-powered mobile application for both iOS and Android. From user authentication and AI model integration to chatbot functionality and clean, scalable source code, every deliverable is built to production-ready standards using modern technologies.
**What You Get**
Every tier of this service includes a fully functional iOS app, a fully functional Android app, integration of an AI model, chatbot integration, secure user authentication, and the complete source code so you own everything outright. Higher tiers extend this foundation with AI model fine-tuning and full application and interface design — giving you a rounded, market-ready product rather than just a technical skeleton.
**How It Works**
1. You share your project brief, requirements, and any existing assets via the order chat.
2. The team reviews your specification and confirms scope, clarifying anything needed before development begins.
3. Development proceeds with regular communication through the order manager so you are never left wondering about progress.
4. The completed app and source code are delivered for your review.
5. Unlimited revisions are included until you are satisfied with the result.
**Technology Stack**
Frontend development is handled in Flutter and React Native (Dart and JavaScript), ensuring true cross-platform performance. The backend is built on Node.js, Express.js, and Python. AI and machine learning integrations leverage OpenAI GPT, TensorFlow, and PyTorch. Database management is handled through PostgreSQL, MongoDB, or Firebase depending on your project's needs.
**Who This Is For**
This service is ideal for entrepreneurs validating a new app concept, businesses looking to integrate AI into an existing product, SaaS founders who need a scalable mobile layer, and product teams who want expert execution without building an in-house dev team from scratch.
**Why Zinn Digital**
Zinn Digital is a London-based AI development team with demonstrated expertise across mobile app development, SaaS platforms, and chatbot solutions. The team combines deep technical knowledge across the full stack with excellent communication and a commitment to on-time delivery. With 24/7 availability and unlimited revisions across all tiers, you are supported from the first message to final handoff — and beyond, with post-launch support available should your project need it.
If your project has a scope or complexity that goes beyond what the standard tiers cover, message before ordering and the team will provide a tailored quote.
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Compare Packages
| Feature | Starter | Boost | Premium |
|---|---|---|---|
| Delivery Time | 5 days | 10 days | 21 days |
| Revisions | unlimited | unlimited | unlimited |
| Functional iOS app | ✓ | ✕ | ✕ |
| Functional Android app | ✓ | ✕ | ✕ |
| AI model integration | ✓ | ✕ | ✕ |
| Chatbot integration | ✓ | ✓ | ✓ |
| User authentication | ✓ | ✓ | ✓ |
| Full source code included | ✓ | ✓ | ✓ |
| Functional iOS and Android app | ✕ | ✓ | ✕ |
| AI model integration and fine-tuning | ✕ | ✓ | ✕ |
| Application and interface design included | ✕ | ✓ | ✕ |
| Functional iOS and Android app (full scope) | ✕ | ✕ | ✓ |
| Advanced AI model integration and fine-tuning | ✕ | ✕ | ✓ |
| Complete application and UI/UX design | ✕ | ✕ | ✓ |
Portfolio
Examples of the seller's work related to this Zinn.
Build Your AI Mobile App for iOS and Android
Build Your AI Mobile App for iOS and Android
Extra Information
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My Process
Frequently Asked Questions
The delivery days shown per tier reflect a standard project of that scope. If your requirements are more complex — such as additional screens, multiple AI models, or extensive custom logic — the team will confirm the timeline after reviewing your brief. Message before ordering if you are unsure which tier fits.
You will need to share a project brief covering your app concept, the core features you need, your target platforms, and any existing branding or assets. If you have wireframes, competitor references, or a technical specification document, these are all helpful. The team will follow up via order chat if anything else is required.
Yes. Full source code is included in every tier and is delivered to you upon completion. You retain full ownership of the code and the finished application.
Fine-tuning means the AI model is adapted and optimised specifically for your app's use case and data, rather than using a generic out-of-the-box configuration. This produces more accurate, relevant, and on-brand AI behaviour within your application.
Yes. Post-launch support covering bug fixes and enhancements is available as an add-on. If you anticipate needing ongoing support, add it to your order or discuss your requirements in the order chat.
Unlimited revisions are included across all tiers. You review the delivered work, share your feedback via the order chat, and the team makes the requested changes. This continues until you are satisfied with the result.
Yes. Seamless AI integration for existing apps is part of the service offering. Share details of your current codebase and architecture when you place the order so the team can plan the integration correctly.
The team builds with Flutter and React Native on the frontend, Node.js, Express.js and Python on the backend, and integrates AI using OpenAI GPT, TensorFlow, and PyTorch. Databases are handled via PostgreSQL, MongoDB, or Firebase depending on your project's requirements.
Customer Reviews
See what our customers say about this Zinn
He really knows his way around Flutter. He worked efficiently, followed every instruction perfectly, and even went beyond to add creative touches. The final app works like a dream on all devices. I appreciate his effort and passion for clean development.
The app is very well structured and functional. Loading times are minimal, transitions are smooth, and navigation is intuitive. Managing tasks or exploring features is straightforward, giving a seamless experience that’s both practical and efficient.
This was a great experience. The developer created a fully functional Flutter app with excellent responsiveness. The overall structure is strong, and everything works exactly as planned. The delivery was on time and exactly as promised.
Extremely satisfied with the work. The AI mobile app’s Full Expense List feature is smart, intuitive, and visually clear. He carefully understood my requirements and delivered even beyond my expectations. A highly reliable and talented seller.
Absolutely fantastic work. Sujana is amazing. He delivered AI-generated meditation sessions with impressive accuracy and creativity. I especially love the smooth tap-to-start audio feature, which makes the experience feel effortless and intuitive. Would definitely recommend her.
The AI mobile app is polished, scalable and beautifully designed. He implemented the AI Summary Screen flawlessly, showing automatic note summaries cleanly and intuitively. I’m seriously impressed by how professional and complete the final result is.
The seller did an amazing job developing AI-generated workout plans tailored to user goals and building a simple, clear workout display showing sets, reps, and duration. Everything works perfectly, and the design is both intuitive and user-friendly.
The developer did an outstanding job developing my Flutter app. The interface is smooth, responsive, and visually appealing. He listened carefully to my requirements, communicated clearly, and implemented changes quickly. I’m really impressed with his technical skill and professionalism.
Extremely reliable and talented. Sujana delivered the AI mobile app on time, and the Home screen displaying daily AI-generated health tips is perfectly designed. The user experience is smooth, and the interface looks fantastic. Will definitely hire her again.
I entrusted the development of my company's customer-facing Flutter app to him , and he delivered a masterpiece. The app includes a support chat, account management, and a service booking system. His work is robust, scalable, and perfectly aligned with our business goals.
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