Calibra - Science Weight Track

In-app purchases
1K+
Downloads
Content rating
Everyone
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About this app

Calibra is the ultimate app for anyone who wants to track their weight and body composition in a scientific and motivating way.

🎯 KEY FEATURES
• Weight tracking with moving averages (MA7, MA15, MA30, EWMA)
• Body fat % calculation with Navy method (circumferences) and Impedance
• Automatic TDEE and basal metabolism analysis
• Advanced dashboard with interactive charts
• Achievement system and gamification to stay motivated
• Customizable notifications for daily weigh-ins

🔬 SCIENTIFIC APPROACH
• Moving averages to filter daily weight fluctuations
• FFMI (Fat-Free Mass Index) to evaluate muscle mass
• Velocity tracking: monitor your weight loss/gain rate
• ETA projections based on your real trend
• AI Insights that analyze your patterns and give suggestions

📊 ADVANCED DASHBOARD
• Body Composition: BF%, FFM, FM with status and trends
• Target vs Reality: compare goal and actual progress
• Projections: calculate when you'll reach your goal
• Consistency Matrix: annual heatmap of your weigh-ins
• Alert System: plateau detection, velocity anomalies, gap tracking

🏆 GAMIFICATION & MOTIVATION
• Level system: from Beginner to Master
• 50+ unlockable Achievements (streaks, milestones, hidden)
• Points and progression for each milestone
• Hidden easter eggs for the most consistent users

🔒 PRIVACY FIRST
• All data saved ONLY on your device
• No account required
• No data sent to external servers
• CSV Export/Import for complete backup

📱 WHO IS IT FOR
• People who want to lose weight sustainably
• Athletes monitoring body composition
• Fitness and bodybuilding enthusiasts
• Anyone who wants to understand their metabolism

Download Calibra and start your journey to better fitness, with the precision of science and the motivation of gaming.
Updated on
Feb 22, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info and Health and fitness
Data is encrypted in transit
You can request that data be deleted

What’s new

Improved Onboarding: expanded goal selection (5 types), contextual description boxes, and optimized layout. Default Dark theme. Fixed Impact Screen bug, CSV export and Telegram notifications. "Accuracy Recovering" insight aligned with the new velocity calculation (8-day post-gap recovery).