Zone 2 by Prime Factors app for iPhone and iPad
4.8 (
1808 ratings )
Sports
Health & Fitness
Developer: M Three Health Pte. Ltd.
Free
Current version: 1.0, last update: 3 weeks agoFirst release : 17 Mar 2025
App size: 3.04 Mb
Train Smarter, Stay in Zone 2!
Take control of your Zone 2 heart rate training with our app, designed for iPhone and Apple Watch. Whether youre an endurance athlete or just starting, staying in the right heart rate zone is key to improving fitness, burning fat efficiently, and building stamina.