Onyx

In plain words

Onyx is a fitness app that uses a smartphone camera to monitor workout performance. It automatically counts repetitions, analyzes exercise form, and adjusts audio guidance in real time based on user performance. The app covers nearly any exercise type and provides personalized training routines. Available on iOS, Onyx combines computer vision technology with fitness coaching to deliver real-time workout feedback without requiring additional hardware.

written from the facts on this page · September 2026

From the sources

Onyx puts the world's smartest trainer in your pocket. With just the camera on your phone it counts your reps, corrects your form, brings tracking to nearly any exercise, and provides audio workouts personalized to your performance in real time.

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