- As a Heart Rate Monitor the TICKR X will work with numerous ANT+ and Bluetooth 4.0 compatible devices and apps. However the following features are available ONLY via Bluetooth 4.0 on the iPhone 4s or newer and Android phones on 4.3.3 or newer exclusively in the Wahoo Fitness App:

- Offline Workouts - Will give you heart rate, workout duration, and calories burned

- Treadmill Mode (Will not work during offline workouts)

- Running Smoothness (Will not work during offline workouts)

- Indoor Cycling Mode (Will not work during offline workouts)