The app is compatible with numerous Bluetooth Fitness Machine Standard Indoor Bikes, Treadmills and Rowers. It support KayakPro ergometers via Genesis Port smart console, Schwinn IC4, IC8, 800IC, Schwinn 230, Schwinn 510u, Schwinn 170, Schwinn 270, Schwinn 570, Schwinn AC Performance Plus, Bowflex C6, Precor Spinner Chrono Power, Yesoul S3, Stages SB20, Stages SC3 SIC2, LifePro FlexStride Pro, SOUL treadmill, Mr Captain Rower, Wahoo KICKR and RPM sensors, Garmin and Xoss Vortex speed and cadence sensors, Bancon AS-5 (BC-B599), Technogym Skillrow and MyRun, Garmin and Magene cycling sensors, Virtufit Ultimate Pro 2i rower, Old Danube ergometer, Merach MR-667, Bancon AS-5 (BC-B599), Merach MR-667, Rogue Echo Bike V3.0, OVICX Q200B see more on the website. The app simulates GPS track to the workouts like you'd circle laps on a specific track on the US West Coast. Strava, SUUNTO, Training Peaks and Under Armour (MapMyRun, MapMyRide) integrations allows smooth activity upload, FIT, TCX, CSV and JSON download capabilities offer more choices. The app has extensive features such as sport and measurement dependent zones with configurable boundaries and colors, personal leaderboard, pace light, pacer. Elapsed or moving time display, HIIT time display mode, circuit workout mode (keeping a workout open on multiple machines simultaneously). See the website for more details, quick start quide, FAQ and known issues. Please contact me if you experience any anomaly or you have a feature request. You are also welcome to file an issue directly in the source code repository or contribute to this open source project. Mission: preventing fitness machines from becoming laundry drying racks. No subscriptions to milk you, plus you are in total control of your data.