OpenCycling: Indoor Cycling

Train smarter on your indoor trainer. No account required, no subscription, no data leaving your device.

OpenCycling connects to your Bluetooth smart trainer and sensors to deliver structured ERG workouts, FTP testing, and detailed ride metrics.
Completely free.

TRAINER CONTROL
Automatic ERG power control via FTMS-compatible trainers. Your trainer adjusts resistance to match workout targets so you can focus on pedaling.

STRUCTURED WORKOUTS
Follow interval-based workouts with precise power targets based on your FTP. Import your favorite workouts from ZWO, ERG, and FIT files.

FTP TESTING
Built-in ramp test and 20-minute FTP test protocols. Automatically calculates your FTP and updates your power zones.

SENSOR SUPPORT
Connects to Bluetooth heart rate monitors, power meters, cadence sensors, and speed sensors. Pair multiple devices and ride with full metrics.

RIDE METRICS
Real-time power, heart rate, cadence, speed, and distance. 7-zone power display based on your FTP. Review your full ride history after every
session.

EXPORT AND SYNC
Export rides as FIT files, or sync automatically to Strava and Health Connect.

PRIVACY FIRST
No account. No cloud. No tracking. All your data stays on your device.