At this time Train Fitness is available exclusively for the Apple Watch.
Train Fitness supports the Apple Watch Series 4, 5, 6, 7, 8, 9, SE, Ultra, and Ultra 2 models.
Unfortunately, the Apple Watch Series 1, 2, and 3 are not supported due to hardware limitations.
Identify your Apple Watch Model
The series and size of your Apple Watch are indicated on the back of the watch face. Look around the sensor area for details about the series, materials, color, and glass type.
If 'Series 7000' is printed there, it indicates a Series 1 Apple Watch.
