OpenBook – Workout Tracker

Gym Log & Fitness Tracker

Only for iPhone

Free · In‑App Purchases

iPhone

Any exercise. Any unit. However you train, OpenBook fits around it. OpenBook is a clean, pen-and-paper style workout log. Built to be fast, simple, and flexible. No sign-up, no credit card required — start right away with unlimited exercises and routines, full graph access, and CSV export for your own data. Log up to 28 training days. Subscribe anytime for unlimited logging. With OpenBook, you can: Log any exercise. Track any unit or combination of units. However you train — strength, calisthenics, bodybuilding, powerlifting, yoga, or functional fitness — OpenBook fits around it. For example: • Bench Press — weight × reps • Zercher Hold — weight × time • Sled Push — weight × distance • Planche Lean — distance × time • Dead Hang — time only • Stretching — time only • Arrowhead Lunge — breaths Swipe between days Move between days with a simple swipe to review past sessions. See your training at a glance View your days across a calendar or heatmap. Plan or track anytime Start with a saved routine or log as you go. Time your rest. Add notes. Set custom rest timers and add notes for each session. View your progress with context Track your progress over time, including intensity through % max or %1RM. Compare and periodise Track two metrics on one timeline to support structured, periodised training. Edit or repeat sessions Quickly update past logs or duplicate sessions with a single tap. Download your data Export your data at any time. Back up your data to the cloud Keep your data safe and accessible. ——— Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ OpenBook Terms of Service: https://openbook.fit/terms Privacy Policy: https://openbook.fit/privacy

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This update includes performance improvements, bug fixes, and reliability updates.

Version 1.1.0

The developer, OpenArcX Pty Ltd, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers
    • Usage Data

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Health & Fitness
    • Purchases
    • Location
    • Contact Info
    • User Content
    • Identifiers
    • Usage Data
    • Diagnostics

  • Data Not Linked to You

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

    • Usage Data

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

Accessibility

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

Information

Seller
  • OPENARCX PTY LTD
Size
  • 63 MB
Category
  • Health & Fitness
Compatibility
Requires iOS 15.5 or later.
  • iPhone
    Requires iOS 15.5 or later.
  • iPod touch
    Requires iOS 15.5 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
  • OpenBook Full Access - Yearly $29.99
  • OpenBook Full Access - Monthly $3.99
  • Learn More
Copyright
  • © 2026 OpenArcX
  • Developer Website
  • Privacy Policy