Track your body
with precision
The professional body composition tracker that goes beyond weight.
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Trusted by fitness professionals worldwide
Everything you need to
track real progress
Professional-grade body composition tracking with the simplicity of a modern app.
Advanced Analytics
See what's really changing. Track body fat percentage, FFMI, and lean mass with scientific precision.
Progress Photos
Automated photo reminders with consistent angles. Side-by-side comparisons that show real progress.
Health App Sync
Auto-imports from Apple Health and Google Fit. Zero manual entry, always up to date.
Progress Insights
Intelligent trend analysis and predictions. Spot patterns before they become problems.
Finally see if your
workout plan works
Stop guessing. Start measuring. Track the metrics that actually matter for body composition.
Body Fat % Tracking
Navy, 3-site, and 7-site methods. Accurate to ±2% when done correctly.
FFMI Calculator
Know your genetic potential. Track lean muscle gains without the guesswork.
Progress Photos
Automated reminders. Consistent angles. See changes you'd miss in the mirror.
1-Tap Import
Pulls weight from Apple Health. No manual entry. Always up to date.
Your Data, Private
End-to-end encrypted. Export anytime. Delete anytime. You own it.
Takes 30 Seconds
Log complete body metrics faster than you can tie your shoes.
Your body's time machine
Slide through time. See exactly how you looked on any date. Body fat, weight, FFMI — with photos to prove it.
Instant time travel
Drag the slider. Jump to any date. See your exact stats and photo from that day.
Visual proof
Every data point paired with your progress photo. No more guessing if you've changed.
Spot patterns instantly
See when you peaked. When you plateaued. What actually worked.
Drag to travel through time
Movement matters.
We track it all.
Steps aren't just numbers. They're energy, recovery, and progress. See how daily movement impacts your body composition.
This Week
Syncs automatically with Apple Health and Google Fit. No manual logging required.
Your data follows you
everywhere you go
Whether you're at home, in the gym, or traveling, LogYourBody works seamlessly across all your devices with real-time sync.
Web Dashboard
Mobile App
One app, every platform
Log your metrics on your phone at the gym, review progress on your laptop at home, or check trends on your tablet anywhere. Your data syncs instantly across all devices.
Native Mobile Apps
Full-featured iOS and Android apps with offline support and HealthKit integration.
Web Dashboard
Powerful web interface perfect for detailed analysis and data management.
Tablet Optimized
Perfect for coaching sessions and reviewing progress with larger charts and graphs.
Real-time Sync
Log on one device, see it instantly on all others. No manual syncing required.
Less than your protein powder
3 days free. Then $5.83/month. Cancel anytime.
Full Access
Everything you need to track real progress