Get a professional, AI-powered web app, mobile app, or intelligent chatbot built by a London-based full-stack AI developer — tailored to your business, delivered with source code and unlimited revisions.
I Will Build Your AI-Powered Website, Mobile App or Chatbot
A simple AI-powered web app or mobile app with basic functionality and user authentication.
- Simple AI-powered web or mobile app
- Basic functionality & user authentication
- Custom and third-party API integration
- Full source code delivered
- 30 days post-delivery support
- Unlimited revisions
A more capable AI app with chatbot integration, AI model fine-tuning, and desktop application support.
- Everything in Starter, plus desktop application
- Integration of an AI model into an existing app
- AI model fine-tuning and customisation
- Chatbot integration (GPT, Gemini, Claude, Llama, etc.)
- Full source code delivered
- Unlimited revisions
A full-scale AI product — SaaS platform, advanced chatbot, mobile app with Play Store & App Store deployment.
- Everything in Boost, at full production scale
- AI SaaS platform or complex multi-feature application
- Social media integration
- Deployment to Google Play Store and Apple App Store
- Advanced backend architecture (Node.js / Python / PostgreSQL / Firebase)
- Unlimited revisions plus 30 days post-launch support
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Value Position
Tech Stack
AI Frameworks
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Turnaround & Delivery
What You'll Receive
Full Description
Your business deserves technology that works harder than the competition. Whether you need a smart web application, an AI-integrated mobile app, or a conversational chatbot that handles real workloads — this service delivers a fully functional, professionally engineered solution built around your exact requirements.
Based in London with over three years of hands-on AI and full-stack development experience, Zinn Digital specialises in transforming business ideas into high-performing, user-friendly AI systems. Every project is built with clean, scalable architecture and delivered with full source code — so you own what you pay for.
**What This Service Covers**
Depending on the tier you choose, your project can include any combination of the following: AI-powered websites and web applications, mobile apps (iOS and Android), SaaS platform development, intelligent chatbot integration, backend development, custom and third-party API integration, social media integration, AI model integration into existing platforms, AI model fine-tuning, and deployment to the Google Play Store and Apple App Store.
**Technology Stack**
Frontend: React.js, Next.js, React Native, Flutter
Backend: Node.js, Express.js, Python
AI & ML: OpenAI GPT, TensorFlow, PyTorch
Databases: PostgreSQL, MongoDB, Firebase
AI Models supported: ChatGPT, Gemini, Llama, Claude, CoPilot, and more
**How It Works**
Every engagement follows a clear, structured process: requirements gathering and analysis, project planning, data preprocessing (where applicable), model development or integration, thorough testing, deployment, and post-delivery support. You will be kept informed at every stage via the order chat.
**30 Days of Post-Delivery Support**
Once your project is live, you receive 30 days of ongoing maintenance and support to ensure everything runs smoothly, any questions are answered, and minor adjustments are handled without fuss.
**Who This Is For**
This service is ideal for entrepreneurs launching a new AI product, businesses looking to integrate AI into their existing workflows, startups building SaaS platforms, and anyone who needs a technically capable, reliable developer to bring an intelligent software vision to life — without the overhead of hiring an in-house team.
**Why Zinn Digital**
London-based, Expert Vetted, and focused exclusively on AI and full-stack development, Zinn Digital brings both technical depth and commercial awareness to every project. Unlimited revisions are included across all tiers, and full source code is delivered so you retain complete ownership and flexibility over your product.
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Compare Packages
| Feature | Starter | Boost | Premium |
|---|---|---|---|
| Delivery Time | 7 days | 14 days | 21 days |
| Revisions | unlimited | unlimited | unlimited |
| Simple AI-powered web or mobile app | ✓ | ✕ | ✕ |
| Basic functionality & user authentication | ✓ | ✕ | ✕ |
| Custom and third-party API integration | ✓ | ✕ | ✕ |
| Full source code delivered | ✓ | ✓ | ✕ |
| 30 days post-delivery support | ✓ | ✕ | ✕ |
| Unlimited revisions | ✓ | ✓ | ✕ |
| Everything in Starter, plus desktop application | ✕ | ✓ | ✕ |
| Integration of an AI model into an existing app | ✕ | ✓ | ✕ |
| AI model fine-tuning and customisation | ✕ | ✓ | ✕ |
| Chatbot integration (GPT, Gemini, Claude, Llama, etc.) | ✕ | ✓ | ✕ |
| Everything in Boost, at full production scale | ✕ | ✕ | ✓ |
| AI SaaS platform or complex multi-feature application | ✕ | ✕ | ✓ |
| Social media integration | ✕ | ✕ | ✓ |
| Deployment to Google Play Store and Apple App Store | ✕ | ✕ | ✓ |
| Advanced backend architecture (Node.js / Python / PostgreSQL / Firebase) | ✕ | ✕ | ✓ |
| Unlimited revisions plus 30 days post-launch support | ✕ | ✕ | ✓ |
Portfolio
Examples of the seller's work related to this Zinn.
Build Your AI-Powered Website, Mobile App or Chatbot
Build Your AI-Powered Website, Mobile App or Chatbot
Extra Information
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Frequently Asked Questions
Please share your project brief, any existing assets (designs, logins, API keys), and a clear description of the features you need. The more detail you provide upfront, the faster development begins. If anything is unclear, we will follow up via the order chat.
The process follows seven clear stages: requirements analysis, project planning, data preprocessing (where relevant), model development or integration, testing, deployment, and post-delivery support. You will receive updates throughout via the order chat.
We work with ChatGPT, Gemini, Llama, Claude, CoPilot, and others, including fine-tuning and customisation based on your specific use case. If you have a preferred model or an existing one, we can integrate around that.
Unlimited revisions means we will keep refining the deliverable until it meets the agreed scope. Revisions cover changes within the original project brief — significant scope changes may require a separate agreement, which we will discuss openly before any extra work begins.
Yes. Every tier includes 30 days of post-delivery support to cover any bugs, deployment issues, or minor adjustments. For longer-term support, the extended support add-on is available.
We use data encryption, secure coding practices, and confidentiality agreements where required. Security is treated as a first-class requirement, not an afterthought, throughout the build.
Yes — the Boost and Premium tiers specifically include integration of an AI model into an existing application, as well as fine-tuning. Please share details of your existing codebase and tech stack when placing your order so we can assess requirements accurately.
Starter suits new, straightforward AI web or mobile apps. Boost is ideal if you need chatbot integration, AI fine-tuning, or want AI added to an existing product. Premium is for larger-scale builds — SaaS platforms, multi-platform apps, or projects requiring Play Store and App Store deployment. If you are unsure, message us before ordering and we will advise honestly.
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