AI FORM CHECK
Your phone is now a strength coach.
Liffix AI form check uses your phone camera to grade every rep. Squat depth, knee tracking, hip hinge, bar path — caught in real time, no extra hardware.
What Liffix catches
Squat
Depth, knee cave, foot rotation, torso angle
Deadlift
Bar path, lumbar flexion, hip hinge timing
Bench
Elbow flare, bar drift, scapular retraction
Overhead press
Lockout, lower back arch, head position
Pull-up
Range of motion, kipping, scap engagement
Lunge
Knee tracking, torso lean, stance width
How it works
- 1. Prop your phone, hit start, do your set.
- 2. AI tracks 33 body landmarks per frame.
- 3. You get a rep-by-rep score and a fix card after the set.