Professional Bike Fitting, Right From Your iPhone
Use your iPhone camera and on-device AI to analyze your riding position, understand your biomechanics, and ride more comfortably — no bike shop visit needed.

Everything You Need for the Perfect Fit
Powered by on-device AI that keeps your data private while delivering accurate analysis.

Six Metrics, One Score
Knee extension, knee flexion, hip angle, back angle, elbow angle, and heel drop — all measured and scored automatically.

Understand Every Detail
Each metric includes educational context: what was observed, why it matters, and what a professional bike fitter would consider.

See What the AI Sees
Replay your video with a real-time skeleton overlay showing exactly how the AI tracked your body throughout the pedal stroke.
How It Works
Three simple steps to a better bike fit.
Set Up Camera
Prop your iPhone at hip height, about 3 meters away from your bike. The app guides you through the perfect camera placement.
Ride & Record
Hop on and pedal naturally. BikeFit AI records and tracks your key body joints in real-time as you ride.
Get Your Fit
Receive a detailed analysis with six angle measurements, a fit score, and educational observations about your position.
Ready to Ride Better?
Download BikeFit AI for free — unlimited analyses, no ads, no account, no strings attached. Completely private, completely on-device.