# Body Composition Tracker
> Track body fat, weight & lean mass—caliper formulas, charts, data stays local.
Canonical page: [https://chrome-stats.com/d/com.jr44.bodycompositiontracker](https://chrome-stats.com/d/com.jr44.bodycompositiontracker)
## Overview
- **ID:** `com.jr44.bodycompositiontracker`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** JRProductions
- **Category:** HEALTH\_AND\_FITNESS
- **Downloads:** 37
- **Version:** 1.0
- **Last updated:** 2026-08-12
- **First published:** 2026-08-05
- **Publisher country:** DE
- **Size:** 46 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.jr44.bodycompositiontracker)
- **Website:** [http://jrdevdesign.com](http://jrdevdesign.com/)
- **Privacy policy:** [https://jrdevdesign.com/privacy/bodycompositiontracker](https://jrdevdesign.com/privacy/bodycompositiontracker)
## Description
Body Composition Tracker helps you measure and track body composition over time—weight, body fat percentage, and lean mass—with clear charts and goals. Built for people who use skinfold calipers or already know their values.
WHAT YOU CAN DO
• Log weight and body fat (manual entry or calculated from calipers)
• Use proven estimation methods: Jackson/Pollock 3-site & 7-site, Durnin/Womersley 4-site, and Faulkner 4-site
• See progress with charts for weight, body fat, and lean mass
• Set goals for weight, body fat, and lean mass
• Attach optional progress photos to entries (stored on your device)
• Export CSV or create an encrypted local backup
• Switch between kg and lbs, light and dark theme, English and German
PRIVACY FIRST
Your measurements stay on your device. No account required. No cloud sync of your journal to us. You decide if and how you share exports or backups.
NOT A MEDICAL DEVICE
This app is for fitness and informational use only. It does not diagnose, treat, cure, or prevent any medical condition. Body fat formulas are estimates (±3–5% typical method error). For health questions, consult a qualified professional.
Questions or feedback: johannes@jrdevdesign.com
## Rankings
- #2,368,849 — Overall
## Permissions and access
### Permissions
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.CAMERA`
- `android.permission.INTERNET`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.RECORD_AUDIO`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.USE_BIOMETRIC`
- `android.permission.USE_FINGERPRINT`
- `android.permission.VIBRATE`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.android.vending.CHECK_LICENSE`
- `com.jr44.bodycompositiontracker.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
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Source: [Chrome-Stats](https://chrome-stats.com/d/com.jr44.bodycompositiontracker)