Virtual Treadmill

Klemy Treadmill turns any treadmill into a smart indoor running companion.
Tired of inaccurate treadmill stats? Set your speed and the app calculates distance and pace precisely, no smart hardware required. If you have a Bluetooth FTMS treadmill, speed, distance, incline, and elevation sync automatically. Start a workout on Apple Watch or iPhone, or use both together with live mirroring.

- Works with all treadmills: fully offline or connected via Bluetooth FTMS
- Start from Apple Watch, iPhone, or both simultaneously
- Speed and incline shortcuts for quick adjustments
- Set speed and incline with Siri, from iPhone or Apple Watch
- Accurate distance and pace, calculated from your set speed or synced via FTMS
- Tracks heart rate, cadence, active energy, and elevation gain
- Shoe mileage: log the distance on each pair and know when one is worn out
- Treadmill care: an odometer per machine, service due dates, and deck guidance for your model
- Mark a workout as a race, then filter your history to races
- Live Activities and widgets for quick stats and controls
- Metric or imperial units, heart rate zones, and optional media controls
- Privacy-first design: no accounts, no sign-ups, no tracking
- Customizable workout layouts on iPhone and iPad: choose and arrange the stats you want to see
- Body temperature, skin temperature, and heat strain for heat training, with compatible Bluetooth sensors

Perfect for runs or walks indoors, whether your treadmill is connected or completely offline.

The app and all in-app purchases are licensed under Apple standard terms:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula