Duo Coach 健身教练

Duo Coach turns the phone you already own into a hands-free workout partner. Prop it on the floor against a wall or a stand, step back, and it counts your reps from the camera. Analysis runs on the device. Foldable phones can simply fold themselves upright. WHAT IT DOES - Live rep counting for squat, push-up, lunge and jumping jack, plus a timed plank. - Amplitude calibration: do one slow rep and it learns YOUR range, then counts to that instead of judging you against a textbook depth. - Form cues on knee tracking and body line, with a light haptic tap on each counted rep. - Rest countdown and a lock screen / Dynamic Island live activity, so the phone can lie face-down and you still see where you are. - A short report after every session: what was counted, what drifted, one next step. - Training plans: a weekly schedule built from your goal, days per week and equipment limits. Reps and…