Gym Workout Assistant App
- My role
- Junior iOS Developer
- Period
- July 2019 – July 2021
- Company
- Yarsa Labs, Pokhara
- Platform
- iOS (iPhone)

Overview
A workout app only helps if people keep opening it. That means clear exercise guidance, progress people can see, and plans that fit their routine.
As a Junior iOS Developer at Yarsa Labs, I built this gym workout assistant with customizable plans, progress tracking, animated exercise guides and HealthKit integration.
Created a fitness app with customizable workout plans, progress tracking, and Lottie animations. Integrated HealthKit for health data and built analytics to recommend tailored routines. Contributed to high user retention through an engaging, intuitive interface.
What I did
- Building workout plan, tracking and analytics features
- Integrating HealthKit for health data
- Adding Lottie animations to the exercise experience
- Improving the UI and integrating APIs and SDKs
Key features
- Customizable workout plans
- Progress tracking
- Animated exercise guidance with Lottie
- HealthKit integration for health data
- Analytics that recommend tailored routines
Tech stack
- Swift and UIKit
- App code and interface
- HealthKit
- Reading and writing health and workout data
- Lottie
- Lightweight vector animations for exercises
Results
- High user retention driven by personalized features and an engaging interface