--- title: "FatBurn Watch — App Overview" url: https://marlvel.ai/apps/fatburn-watch category: Health & Fitness developer: LFT Inc. platforms: ios rating: N/A (0 ratings) pricing: free report_level: overview generated: 2026-05-08 last_verified: "2026-05-08T19:03:05.035Z" --- > **Key Insight:** The app functions as a non-medical heart-rate feedback tool that prioritizes user privacy by keeping all health data on-device. | Metric | Value | |--------|-------| | Category | Health & Fitness | | Rating | N/A ★ (0) | | Pricing | free | | Platforms | iOS | | Latest Version (iOS) | 1.4 | | Developer | LFT Inc. | ## What is FatBurn Watch? FatBurn Watch is a fitness utility designed to help users maintain a specific heart-rate zone during cardio workouts. It provides real-time haptic and visual alerts via Apple Watch to ensure users stay within their target intensity without needing to monitor their screen. ## Key Features - **Real-time Heart Rate Monitoring**: Displays live heart-rate data directly on the Apple Watch during active sessions. - **Customizable Target Zones**: Allows users to set target zones using either percentage of HRmax or direct BPM, with support for Fox or Tanaka formulas. - **Haptic and Visual Alerts**: Provides immediate feedback via haptics, sound, and on-screen warnings when the user exceeds their upper heart-rate limit. - **HealthKit Integration**: Automatically saves completed workout data to HealthKit for long-term tracking. ## Who is it for? Gym-goers and cardio enthusiasts who want to optimize their workout intensity based on heart-rate zones. ## Links - [App Store](https://apps.apple.com/us/app/fatburn-watch/id6763567392?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/fatburn-watch) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/fatburn-watch).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*