Your Breath Coach, in the App.
BreathOS turns every breath into live, on-screen coaching, and every session into progress you can see. Real-time feedback, Everyday Resets, and one score for your whole state.
Four Taps, One Calmer Day.
BreathOS keeps the whole practice in reach: check in on Today, choose a feeling and Breathe, watch your Insights climb, and sharpen technique with Drills. Tap through and see how it flows.
- Real-time breath feedback as you breathe
- Adaptive coaching that responds to you
- Works right alongside Oura and Apple Watch

Calm in Under Two Minutes.
Before a meeting. Between calls. After the kids are down. Everyday Resets are short, guided sessions you can finish in the time it takes the kettle to boil: pick how you want to feel, follow the rhythm, and come back to center.
The science you can feelOne App, Four Simple Surfaces.
No clutter, no endless library to scroll. Just the few things that help you reset, see progress, and build the habit.
Today
Open to your Nervous System Score and a one-tap Everyday Reset tuned to how you want to feel.
Insights
See your week and month at a glance: sessions, streaks, and the trend of your score over time.
Breathe
Choose a feeling (Refreshed, Calm, Focused) and let live coaching meet you where you are.
Drills
Practice named techniques like Box and Resonant breathing to build the skill, rep by rep.
Your Nervous System Score.
Every reset and breathing session rolls up into a single score for your state: the thing you can actually train. Watch it respond to a good session, a steady streak, a calmer week. It is not another number to worry about; it is the one you get to move.
Keeps Your Stack, Adds the Coaching.
BreathOS sits happily next to the tools you already use. Track with your ring and watch; train with Breethly.
Works With Oura
Keep your ring for sleep and readiness. Breethly handles the in-the-moment coaching your wearable was never built for.
Works With Apple Watch
Your watch tracks the day; BreathOS turns a spare two minutes of it into a real reset.
iOS + Android
Native apps on both platforms, so it just works whether you're on iPhone or Android.