tremia
IntervalGuide — Now in Closed Testing on Google Play

Smart Apps for Active Lives

We build focused, well-crafted mobile apps for fitness and health.

Our Apps

Focused tools built for people who move.

IntervalGuide logo

IntervalGuide

The smart interval timer with real-time heart rate monitoring. Perfect for boxing, HIIT, Tabata, and any timed workout.

FitnessWear OSBluetooth HR

Why Tremia?

Privacy First

Your data stays on your device. No accounts, no cloud uploads.

Built for Athletes

Designed with real training in mind, not generic fitness fluff.

Wearable Ready

Seamless smartwatch integration with Wear OS companion apps.