AI Powered Strength Tracking
Track every rep, break every record. AI-powered insights help you train smarter with personalised strength predictions and detailed progress analytics.
Transform your strength training with REP. — available as a subscription with a 7-day free trial.
The intelligent training companion that turns every lift into measurable progress — while keeping your data 100 % private.
PRIVACY YOU CAN TRUST
• Your workout data stays on your device.
• Optional iCloud backup — you control where your data lives.
• No advertising, no data selling, ever.
• Minimal diagnostics only to fix bugs and crashes.
• Built by lifters who respect privacy.
We believe your training data is personal. REP. never sells it, shares it, or uses it for anything except helping you get stronger.
WHAT MAKES REP. DIFFERENT
• Adaptation Type Analysis – See whether gains are neural (CNS) or hypertrophic (muscle growth).
• Self-Tuning AI – Learns from your results and improves prediction accuracy over time.
• Seven 1RM Formulas – Epley, Brzycki, Lander, Lombardi, Mayhew, O’Conner & Wathan, all analysed together.
• Four International Standards – Wilks, DOTS, Sinclair & Allometric coefficients in one place.
• Exercise Correlation Mapping – Find which lifts improve each other for you.
• Biomechanical Calibration – Adapts predictions to your body proportions.
• Fatigue Impulse-Response Model – Recovery predictions based on exercise physiology.
• Statistical Tracking – Reports accuracy with MAE, RMSE and confidence intervals like a lab.
TRACK YOUR STRENGTH JOURNEY
• Log exercises with weight, reps and sets.
• Automatic 1RM calculations using proven formulas.
• Comprehensive exercise library covering all major lifts.
• Support for bodyweight and timed movements.
• Instant PR detection and celebration.
• All processing happens on-device for maximum privacy.
AI-POWERED INSIGHTS (PROCESSED ON YOUR DEVICE)
• Smart predictions for your next personal bests.
• Adaptation type analysis (neural vs hypertrophic).
• Training recommendations based on your progress patterns.
• Plateau detection and breakthrough strategies.
• Personalised workout suggestions.
• AI runs locally — your data never leaves your device.
DETAILED PROGRESS TRACKING
• Beautiful graphs of your strength progression.
• Historical logs with full detail.
• Personal best streaks and achievements.
• Training volume and frequency analysis.
SMART FEATURES
• Dark Mode for late-night sessions.
• Encrypted iCloud backup (optional).
• Automatic unit conversion (kg / lbs).
• Offline mode — train anywhere, anytime.
• Clean, intuitive design built for lifters.
TRAINING INTELLIGENCE
• Recovery status monitoring.
• Muscle group fatigue tracking.
• Block periodisation support.
• Grounded in scientific strength principles.
YOUR DATA, YOUR CONTROL
• Export your complete workout history anytime.
• Delete everything with a single tap.
• Transparent about what we collect (almost nothing).
• No hidden tracking or data harvesting.
FREE TRIAL & SUBSCRIPTION DETAILS
REP. offers a 7-day free trial with full access to all features.
After the trial, continued use requires an active subscription (monthly or yearly) available via in-app purchase.
No ads. No tracking. No data selling. Just you, your lifts and your progress.
Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
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