FatBurn Watch
Heart rate alerts that keep you in the fat-burning zone on Apple Watch
Apple Watch watchOS 10+ iPhone iOS 17+
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About
Overview
Apple Watch monitors your target zone (60-70% of HRmax) in real time. Haptic, sound and on-screen alerts when you exceed it; sessions saved to HealthKit.
Latest Versions
Latest version
- iPhone 1.4 (Build 81)
- Watch 1.4 (Build 81)
App-side updated: 2026-05-23
What's New
Release notes
- Improved stability on watchOS 11 / iOS 17 - Optimized haptic alerts when reaching the fat-burning zone - Strengthened HealthKit writing
Screenshots
FatBurn Watch
