Grewyn: Gym Log & AI Coach

By ONUR ERGUN on AppTrack Ninja.

Workout & strength tracker

Most gym apps hand you an empty grid and expect you to know what to lift. Grewyn tells you — and tells you why. Answer a few questions and Grewyn builds you a real training program, drawn from a library of 62 evidence-based programs rather than invented on the spot. It fills every slot with a real exercise you can actually do with the equipment you have. Then it works out the exact weight to start with, from your bodyweight, experience and the movement itself — and corrects it from what you actually lift, within a session or two. Every recommendation comes with a reason in plain English. No b…

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