RepZero: Strength & Gym Log

Progress tracking and metrics

Free · In-App Purchases · Designed for iPad. Not verified for macOS.

Train smarter. Track everything. Progress with purpose. RepZero is a powerful strength and gym log built for lifters who care about results. Every set, rep, and lift is captured with precision—so you can see your real progress, not just guess at it. BASIC FEATURES (Free) • Complete Workout Logging – Track sets, reps, weight, and equipment for every exercise • Custom Routines & Exercise Library – Build your own workouts or use proven templates • Visual Progress Charts – View strength progression, volume trends, and workout frequency • Personal Records & Milestones – Automatic PR tracking with achievement system • Workout Streaks & Consistency Metrics – Stay motivated with streak tracking • Apple Watch Integration – Log workouts directly from your wrist with automatic sync • HealthKit Support – Sync heart rate and workout data with Apple Health • Body Measurements & Weight Tracking – Monitor body composition changes over time • Daily Dashboard – See your stats, streaks, and recent records at a glance PRO FEATURES • AI-Powered Analytics – Advanced ML predictions for strength progression and performance trends • Progressive Overload Coaching – Smart plateau detection with personalized weight, rep, and volume suggestions • Fatigue Analysis – Real-time fatigue tracking with recovery recommendations • Advanced Metrics – Deep dive into intensity trends, set type distribution, and training patterns • Premium Charts – ML-powered strength standards, volume progression, and predictive insights • Recovery Prediction – Learn the best time to train or rest based on previous workouts. • Rest Day Buffer – Never lose another streak for taking a rest day. Whether you're training for powerlifting, bodybuilding, or everyday fitness, RepZero keeps your data organized and actionable. You'll know exactly when you're getting stronger—and when it's time to recover. No clutter. No distractions. Just clean, data-driven training. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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NEW - Live Activities show real-time workout stats on your Lock Screen and Dynamic Island - AI Coach Analysis with personalized training insights and suggested workouts (Pro) - Animated charts with spring and bounce effects across Dashboard, Metrics, and Measurements - 21 exercises now have strength standards with personalized ratings - Gender-aware strength standards with male, female, and neutral bodyweight ratio tables IMPROVED - Redesigned Live Activity with clearer layout, prominent rest timer countdown, and streamlined progress bar - Analytics UI overhauled with custom tab bar, micro-interactions, and staggered card animations - Metrics view now includes quick stats row and shimmer loading states - 1RM estimation evaluates all completed sets for more accurate strength ratings - Apple Watch sync refactored for improved reliability - Bodyweight exercises now properly contribute to volume calculations FIXED - Live Activity set counter no longer shows wrong counts after switching exercises - Duplicate exercises no longer appear in the Add Exercises list - Exercises in routines now maintain their correct order - Strength levels display consistently across all screens - Improved app stability with 25+ concurrency and memory fixes

The developer, Dark Matter AI Labs LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Health & Fitness
    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
  • Dark Matter AI Labs LLC
Size
  • 111.2 MB
Category
  • Health & Fitness
Compatibility
Requires iOS 26.0 or later.
  • iPhone
    Requires iOS 26.0 or later.
  • iPad
    Requires iPadOS 26.0 or later.
  • Mac
    Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
  • Apple Watch
    Requires watchOS 26.0 or later.
Languages
English and 26 more
  • English, Arabic, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Simplified Chinese, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
Age Rating
9+
  • 9+
  • Contains
    Advertising
    Health or Wellness Topics
In-App Purchases
Yes
  • RepZero PRO Yearly $19.99
  • RepZero PRO Monthly $2.99
Copyright
  • Copyright © 2026 Dark Matter AI Labs. All rights reserved.