A fitness startup approached us with an ambitious vision: build the world's first AI-powered avatar fitness app. They wanted a mobile experience where users could interact with AI avatars for personalized workout guidance, real-time coaching, and progress tracking.
The app needed to feel premium, perform flawlessly during live workout sessions, and scale fast for a global launch.
What We Built
We designed and developed a full-stack mobile application from scratch, covering everything from UI/UX design to backend infrastructure and App Store deployment.
Core Features:
AI-powered avatar coach that guides users through workouts in real-time
Personalized workout plans generated based on user goals, fitness level, and preferences
Real-time motion tracking and form correction
Progress dashboards with detailed analytics and streaks
Social features including challenges, leaderboards, and community feeds
Subscription-based monetization with in-app purchases
AI Integration: Custom AI avatar engine with real-time rendering
Payments: Stripe and in-app purchase integration
My Role
I led the end-to-end development: architecture planning, UI implementation, backend API development, third-party integrations, QA testing, and App Store/Play Store deployment. I also collaborated closely with the AI team to integrate the avatar engine into the mobile experience.
Results
5,000 early bird registrations before launch
35,000+ downloads within the first 3 months
$590,000 MRR (Monthly Recurring Revenue) achieved
Successfully deployed to both App Store and Google Play
4.8+ star rating from users
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Posted May 19, 2026
Built the world's first AI avatar fitness app from scratch. React Native, Node.js, AWS. 35,000+ downloads and $590k MRR within 3 months of launch.