Your Fitness.
Your Journey.
We're With You.
Fettlr is your all-in-one workout planner, macro scanner, and body composition tracker. Built for consistency, progress, and results.
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10,000+ Active
Athletes & Lifters
Verified &
Science-Backed
Private Data
Encrypted & Secure
Designed For
Consistency & Growth
Experience Fettlr Mobile
Explore the production app screens designed for instant logging, body scanning, and progress tracking.
Camera Body Composition & Symmetry Scoring
Track your physical progression with camera-based body assessments. Receive computational visual estimations of muscle symmetry, v-taper ratio, and overall definition for motivational feedback.
- ✓Visual muscle group scoring & symmetry metrics
- ✓Private local scanning with encrypted cloud processing
- ✓Side-by-side progression comparisons over time
Everything You Need
to Achieve Your Goals
Custom Workout Plans
Tailored training routines for strength, muscle building, and endurance with progressive overload logging.
Nutrition & Macro Vision
Instant nutritional estimates from food photos to stay on track with calorie and macro targets.
Body Composition & PRs
Monitor muscle symmetry, volume distribution, personal records, and body metrics over time.
Habit Streak Enforcement
Daily mission streaks and workout routine reminders to build ironclad fitness consistency.
Everything You Need to Know
What is Fettlr?
Fettlr is an all-in-one workout planner, nutrition scanner, body composition analyzer, and habit tracking mobile application built for consistent workout and nutrition tracking.
How does the Food Macro Scanner work?
Fettlr utilizes automated computer vision to analyze meal photos and provide computational calorie and macro approximations to help you reach your daily goals.
Is Fettlr available on iOS?
Yes, Fettlr is available directly on the Apple App Store for iPhone users, offering complete workout logging and tracking features.
How is my personal data protected?
Your privacy is strictly protected. Photo processing occurs over encrypted SSL channels and your data is never sold to third parties or used for public model training.
Ready to Transform Your Fitness?
Download Fettlr today and build consistent workout routines, track nutrition, and reach your goals.