Yes, the Fiit device is compatible with different training apps, including: 

3,2,1, Run
Beats App
CadenceVR
CycleCoach
Elevation Tracker
Ergbuddy
Heartworks
iBioFeedback
iBody
Joggy Coach
Kinetic GPS
KinoMap
Komoot
LiveTraining
Map My Tracks Pro
Monitor Your Weight
Motivo Cycling
MyFitnessPal
Rouvy
Running
Runtastic
Strava Running and Cycling GPS
Training Peaks
Virtual Runner
Walkmeter GPS Pedometer
Wahoo Fitness
Zwift

The Fiit device Lite is compatible with:

Map My Run
Runtastic
Wahoo Fitness
Polar Beat
Strava
Map My Ride
Endomondo
Cyclemeter
Swift 

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