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ic4workout(1) Indoor Cycling Dashboard ic4workout(1)
Name
IC4Workout — Bluetooth FTMS dashboard for the Schwinn IC4 family
What It Is

IC4Workout is an iPhone app for indoor cycling bikes that speak Bluetooth FTMS, built first for the Schwinn IC4. It surfaces ride data Apple’s Workout app does not read directly from FTMS, especially live power.

The app currently shows power, cadence, speed, heart rate, elapsed workout time, estimated distance, and estimated calories during a ride. Completed rides can be written to Apple Health.

Compatibility

Verified: Schwinn IC4.

Expected but not yet externally confirmed: Bowflex C6 and Schwinn IC8.

The app depends on standard FTMS Indoor Bike Data. Bike support depends on what data each bike actually advertises over Bluetooth.

Features
Live ride metrics
Power, cadence, speed, heart rate, workout time, estimated distance, and calories in a high-contrast workout dashboard.
Apple Health export
Save completed indoor cycling workouts to Apple Health, including ride duration, distance, calories, and captured heart-rate samples.
Power correction
Adjust the IC4 family’s known power over-reporting with a configurable correction slider.
Heart-rate zones
Configure your own heart-rate zone thresholds instead of using fixed defaults.
Support