AI-Powered Mobile App - iOS & Android

AI-Powered Mobile App Development — iOS & Android (Agency Only) We are a US-based AI startup in stealth mode building a consumer mobile application for iOS and Android. The app is AI-powered at its core and involves complex backend architecture, third-party integrations, and a conversational AI layer built on large language models. We are looking for an experienced development agency — not individual freelancers — who have hands-on experience delivering AI-integrated mobile applications. Who We Are Looking For We are specifically looking for agencies with: Proven experience building and delivering AI-powered mobile applications Hands-on experience with LLM integration (OpenAI, Anthropic, or similar) Experience implementing RAG architecture in a production environment Strong mobile development capability across both iOS and Android Solid backend and API development experience A full team — mobile developers, backend developers, AI/ML integration experience, and a dedicated project manager We are open to React Native or Flutter. If you have a strong recommendation, tell us in your cover letter and explain why based on your experience with similar projects. What to Include in Your Cover Letter We read every cover letter carefully. Generic responses will not be considered. Please include: Agency introduction — who you are, where you are based, team size, and how long you have been operating Relevant AI experience — specific projects where you have integrated LLMs, built RAG pipelines, or worked with vector databases. Tell us what you built, what stack you used, and what the outcome was Mobile portfolio — two to three examples of AI-powered or complex mobile apps you have delivered. Share links, App Store listings, or case studies Your tech expertise — what technologies does your team specialise in? React Native, Flutter, backend stack, AI/ML tools — tell us what you are strongest at Why you are the right fit — one short paragraph on why your agency is the right team for an AI-powered consumer mobile app NDA confirmation — confirm you are comfortable signing an NDA before receiving full project details Applications that do not address these six points will not be shortlisted. Important Agencies only — individual freelancers will not be considered Shortlisted agencies will be asked to sign an NDA before receiving full project details and technical brief This is a fixed-price engagement with milestone-based payments We are a US-based client working with a global team We look forward to hearing from serious agencies with a genuine track record in AI-powered mobile development.