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At a Glance

Key details about this service to help you decide. Generated by Zinn Hub, not the seller.

Cross-Platform Build

iOS & Android (React Native)
Both iOS and Android apps are delivered from a single React Native codebase, meaning buyers receive two fully functional apps without paying separately for each platform.

AI Models Supported

GPT-4+, Claude, Gemini & More
The service integrates multiple leading AI APIs including OpenAI, Anthropic Claude, Google Gemini, and Mistral, giving buyers flexibility in which AI engine powers their app.

Source Code Included

All Tiers
Full source code is included across the Basic, Boost, and Premium packages, so buyers retain complete ownership and can modify or extend the app independently after delivery.

Delivery Range

3 to 30 Days
The Basic package delivers a 2–3 screen AI app in 3 days, while Premium allows up to 30 days for more complex builds with 5 revisions, suiting both quick prototypes and fuller projects.

What You'll Receive

Formats:
Source Files
Digital Files
Custom Code
Delivery Method:
Order Manager
Notes: Deliverables are shared via the order manager. You will receive the full source code, platform-specific build files (APK for Android; IPA or TestFlight link for iOS), and any relevant setup or configuration notes. All files are handed over in an organised, documented format ready for deployment or further development.

Full Description

Your idea deserves an app that thinks. Whether you are building a productivity tool, a wellness companion, or a smart assistant, this service delivers a fully functional, AI-powered mobile application for both iOS and Android — built from the ground up with intelligence at its core.

With a decade of hands-on experience in mobile app development, and a base in London, the work here combines deep technical knowledge with strategic thinking — turning vague briefs into polished, high-performing AI-driven products. Every app is built using React Native for smooth cross-platform performance, backed by .NET Core APIs and PostgreSQL for scalable, production-ready architecture.

**What Your App Can Include**

AI Chatbots and Personal Assistants — custom GPT-based conversational experiences with memory and task automation. Smart Recommendations — personalised content, product, or action suggestions driven by user behaviour. Voice Input and NLP — natural language processing for voice-controlled or text-intelligent features. Sentiment Analysis and Summarisation — understand and respond to what your users actually mean. Latest AI Model Integrations — OpenAI (GPT-4 and above), Google Gemini, Anthropic Claude, Mistral, and more. Backend and DevOps — scalable APIs, database architecture, and cloud-ready infrastructure built alongside the app.

**What Is Always Included**

Every package includes a fully functional iOS app, a fully functional Android app, integration of your chosen AI model, and the complete source code handed over at delivery. You are not receiving a prototype — you are receiving a working, deployable product.

**How It Works**

Once you place your order, share your app concept, the features you need, any design references, and your preferred AI service or API keys. If you are still refining the idea, that is perfectly fine — a consultation is part of the process to finalise scope before development begins. Progress is communicated clearly throughout, and revisions are included in every tier.

**Who This Is For**

Founders validating an AI-powered concept. Businesses adding intelligent features to an existing app. Developers who need a specialist AI integration partner. Product teams who want cross-platform delivery without managing two separate codebases.

**Why This Seller**

Ten years of full-stack mobile development experience. Expertise across the full AI API landscape — not locked into a single provider. A strategic approach that translates unclear ideas into structured, deliverable features. Clear communication, realistic timelines, and post-launch support included as standard. If something does not work as expected after delivery, it gets fixed — free lifetime support for bug fixing is part of the commitment.

Let us build something intelligent together.

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Compare Packages

FeatureStarterBoostPremium
Delivery Time3 days14 days30 days
Revisions125
Functional iOS app (2–3 screens)
Functional Android app (2–3 screens)
Integration of one AI model (e.g. OpenAI GPT-4, Gemini, Claude)
Full source code included
Cross-platform build via React Native
Order chat communication throughout
Functional iOS and Android app (expanded screen count)
Integration of one or more AI models with additional smart features
Smart recommendations, summarisation, or sentiment analysis included
Backend API integration (.NET Core or Node.js)
2 revisions with clear milestone communication
Full-featured iOS and Android app with comprehensive screen set
Advanced AI integrations — chatbot, voice input, NLP, recommendations, automation
Scalable backend with PostgreSQL, .NET Core APIs, and cloud-ready architecture
Custom ML model integration or multi-provider AI setup (OpenAI, Gemini, Claude, Mistral)
Full source code and architecture documentation
5 revisions plus post-launch bug-fix support

Extra Information

Why Choose Me

Experience:A decade of full-stack mobile app development across iOS and Android
AI Expertise:Hands-on integration of OpenAI, Google Gemini, Anthropic Claude, Mistral, and more
Approach:Strategic thinker who translates vague briefs into polished, structured AI-driven features — not just code execution
Post-Launch Support:Free lifetime bug-fix support included with every delivery

Tools I Use

Frontend:React Native (cross-platform iOS and Android)
Backend:.NET Core, Node.js, PostgreSQL, Foundry
AI & ML:OpenAI GPT-4+, Google Gemini, Anthropic Claude, Mistral, AWS AI, custom ML cloud services
Infrastructure:Scalable cloud-ready architecture with API-first backend design

Perfect For

Use Cases:Productivity tools, wellness apps, smart assistants, recommendation engines, AI chatbot apps, voice-enabled applications
Client Types:Founders validating AI concepts, businesses adding smart features to existing apps, product teams needing cross-platform delivery, developers seeking specialist AI integration support

Frequently Asked Questions

The Starter package delivers in 3 days for a compact 2–3 screen app. The Boost tier allows 14 days for a more feature-rich build, and the Premium tier uses 30 days for a fully scoped, production-ready application. A realistic timeline is always confirmed before work begins — if your brief is larger than the selected tier, this will be flagged upfront.

A wide range of capabilities are available: AI chatbots and personal assistants, smart recommendations, voice input, natural language processing, sentiment analysis, summarisation, user behaviour tracking, and automation workflows. Supported AI providers include OpenAI (GPT-4 and above), Google Gemini, Anthropic Claude, Mistral, and other leading APIs. Custom requirements can also be discussed.

Yes — every package includes both a fully functional iOS app and a fully functional Android app, built using React Native for consistent, responsive performance across both platforms. You will receive the appropriate build files (APK for Android, IPA or TestFlight link for iOS) upon delivery.

For most projects, established APIs such as OpenAI, Google, and AWS AI services are used — these offer fast delivery, proven reliability, and cost-effective results. If your project requires bespoke machine learning logic not covered by existing APIs, a custom model can be developed as an add-on. This will be discussed during scoping.

To get started, please share: a clear description of your app concept, the features you need (AI and non-AI), any design references or brand guidelines, API keys for services you wish to use, and your target platform(s). If you are still working through the idea, that is fine — a consultation is included to finalise everything before development begins.

Yes — App Store and Play Store submission assistance is available as an optional add-on. This includes setting up the listing, preparing screenshots, writing descriptions, and following all platform guidelines. Select the add-on at checkout or mention it in the order chat.

Free lifetime support is provided for bug fixing — if something breaks in the delivered code, it will be resolved at no extra charge. For ongoing feature updates, new screens, or monthly maintenance, affordable packages are available and can be discussed after delivery.

That is absolutely fine. Part of the process is helping you translate a rough concept into a clearly scoped, deliverable feature set. Share what you have in the order requirements and a consultation will be used to fill in the gaps before any development begins.

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