Onyx: Workout Tracker

Gym Workout Tracker & Log

Free · Designed for iPad. Not verified for macOS.

Log every set, beat your records and watch your progress. No ads, no tracking, just your training. Onyx is a focused workout tracker for people who lift. Open it, start a workout and log your sets. Nothing else in the way. LOG FAST • Track sets, reps and weight, or minutes for cardio • See what you did last time next to every set • Swipe a set to mark it done • Live workout timer and a rest timer per exercise • Unfinished workouts are saved automatically, even if the app closes 700+ EXERCISES • Grouped by muscle and equipment, with a picture of the muscles each one works • Filter for single-arm and single-leg exercises • Add your own exercises ROUTINES • Save any workout as a routine and start from it next time • Rename and reorder your routines PROGRESS AND RECORDS • Personal records for heaviest weight, estimated 1RM and best set • A New PR alert the moment you beat one • History and charts for every exercise • Body weight tracking, in kg or lb YOUR DATA Onyx has no ads and no tracking. Your workouts are stored on your phone and backed up to your account, so they're safe when you switch phones. You can delete your account and all of its data in the app at any time.

Ratings & Reviews

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The developer, Jessie Op 't Root, 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
    • Contact Info
    • User Content

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
Jessie Op 't Root
Size
22.3 MB
Category
Health & Fitness
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPad
    Requires iPadOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English
Age Rating
4+
Copyright
© 2026 4ft3rh0urs
  • Developer Website
  • Privacy Policy