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Onyx: Workout Tracker

Gym Workout Tracker & Log
Jessie Op 't Root · Health & Fitness
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App info

Developer
Jessie Op 't Root
Category
Health & Fitness
Released
Oct 18, 2026
Version
1.0 (Oct 19, 2026)
Price
Free
Size
21.3 MB
Requires
iOS 15.0
Age rating
4+
Languages
English

In-app purchases

none
Current prices, App Store US.

About Onyx: Workout Tracker

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…
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