ESYL — Fitness & Wellness App
Fitness & wellness app for kids and adults with guided content. Independently handled complete Frontend & Backend. Live on App Store and Play Store.
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ESYL is a fitness and wellness app designed for both kids and adults, featuring guided workout programs and wellness content. I was responsible for the complete product — building the Flutter cross-platform frontend, integrating the REST API backend, and publishing to both major app stores. The app is live and available globally.
Key features
Guided Workouts
Structured workout programs with step-by-step guidance for all fitness levels.
Kids & Adults
Separate content tracks designed for children and adult users with age-appropriate UX.
Cross-Platform
Single Flutter codebase delivering a native-quality experience on both iOS and Android.
Full-Stack Ownership
End-to-end responsibility from Flutter UI through API integration to store deployment.
Tech stack
Challenges & decisions
The hard problems we solved building this project.
Designing UX flows that work equally well for young children and adult users within a single app.
Integrating and optimising video content delivery for users on low-bandwidth mobile connections.
Meeting App Store guidelines for apps targeting children, including content rating and privacy requirements.
Delivery timeline
Built in ~3 monthsDiscovery & UX
2 weeksMapped separate content tracks for kids and adults and designed age-appropriate user flows.
App Development
5 weeksBuilt the cross-platform Flutter app with video streaming and the dual kids/adult experience.
Backend & API
3 weeksSet up the backend and REST API for guided workout programs, then connected it to the app.
Testing & Launch
2 weeksOptimised low-bandwidth video delivery, met kids-app store guidelines, and published to both stores.
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