Simple Workout Log, Gym, 1RM

Hypertrophy, Offline Tracker

Only for iPhone

Free · In‑App Purchases

iPhone

Ultra fast workout logging. No ads, no account, works offline. Set entry, rest timers, and analytics charts all stay on your device. Log a set and get back to lifting. Zap is a fast, offline strength-training log that works without an account or cloud sync. Key features • Log weight and reps quickly • View your previous session while adding today’s sets • Set an exercise-specific rest timer • See every training day on a calendar • Analyze total sets, volume, frequency, and body-part balance • Track total volume, estimated 1RM, and personal records • Add and edit custom exercises and body parts • Switch between kg and lb Private by design • All workout data stays on your device • No account, ads, or cloud sync • Log, review, and analyze workouts without an internet connection • Usage statistics sharing can be turned off anytime in Settings Zap is built for lifters who want fewer taps, less waiting, and more focus on training. Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & Reviews

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Made small improvements for a smoother workout logging experience.

Version 1.0.7

The developer, Tatsumi Yamamoto, 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 indicated that this app supports the following accessibility features. Learn More

  • Supported Features

    • Dark Interface

    • Differentiate Without Color Alone

    • Sufficient Contrast

    • Reduced Motion

Information

Seller
  • Tatsumi Yamamoto
Size
  • 57.3 MB
Category
  • Health & Fitness
Compatibility
Requires iOS 16.4 or later.
  • iPhone
    Requires iOS 16.4 or later.
Languages
English and 7 more
  • English, German, Indonesian, Japanese, Korean, Portuguese, Spanish, Traditional Chinese
Age Rating
4+
Copyright
  • © 2026 Tatsumi Yamamoto
  • Developer Website
  • Privacy Policy