FatBurn Watch
Fat-burn heart alerts
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
Get haptic and sound alerts when you go above your target heart-rate zone.
FatBurn Watch helps you stay in your fat-burn heart-rate zone during cardio workouts at the gym.
Set your profile and target zone on iPhone, then start a workout on Apple Watch. When your heart rate stays above the upper limit, the Watch alerts you with haptics, sound, and an on-screen warning so you can ease back without staring at the screen.
Key features
- Start and stop workouts on Apple Watch
- See real-time heart rate during a session
- Estimate HRmax from age (Fox or Tanaka formula)
- Personalize your zone with resting heart rate (Karvonen method) and measured HRmax from Health
- Tune target zone (% of HRmax or Direct bpm) and alert sensitivity
- Mute alerts for short breaks
- Save workouts to HealthKit
Privacy
Heart-rate and workout data stay on device and in HealthKit. FatBurn Watch does not send this data to external servers, track you, show ads, or use third-party analytics.
Important
FatBurn Watch is not a medical device. It is a heart-rate feedback tool for workouts and is not intended to diagnose, treat, or prevent any medical condition. Consult a physician if you have health concerns.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Fixed the heart-rate gauge around the edge of the Apple Watch display so it follows the curved corners and is no longer cut off.
The developer, LFT Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- LFT K.K.
- Size
- 11.8 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later. - Apple Watch
Requires watchOS 10.0 or later.
- iPhone
- Languages
English and 6 more
- English, French, German, Japanese, Korean, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Unlock $3.99
- Copyright
- © LFT Inc.
