Improve your heart health with the Norwegian 4x4 workout app. The app automatically sets up high-intensity interval training (HIIT), so you can focus on what matters: your health and performance.
It also automatically saves each of your workouts so you can keep track of them. You should see results already after 1 month!
You can use this app for your running, cycling, rowing, jumping, and any other type of sports and cardio workout.
App features:
- One button and you're ready to go
- Progress tracking
Privacy policy:
- No registration
- No ads
- No internet connection required
- All data is saved locally on your device