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Riven
Your Apple Watch knows when you've truly hit muscle failure
102 followers
Your Apple Watch knows when you've truly hit muscle failure
102 followers
Riven turns your Apple Watch into a muscle failure tracker. It auto-detects your exercise, counts reps hands-free, and measures rep speed loss β the science-backed signal of true muscle fatigue β to tell you if you actually trained to failure or stopped reps short. Built for hypertrophy and strength training: no camera, no bar sensor, no extra hardware β just the watch you already own. Get a 0β100 failure score after every set, so every workout drives real muscle growth.
