Atemstark

Breathe better.
Live calmer.

Slow your breath, build CO₂ tolerance, sleep better, perform better. Coached by Atemstark.

The app is free to use. Foundations adds a coached 4-week breath training program and a full year of personalised practice.

Early-bird price - 39 CHF then 69 CHF · 12 months access

What is this

A breathing practice that's measurable, guided, and personal.

Based on Oxygen Advantage, broadened

The core is the Oxygen Advantage method developed by Patrick McKeown — nasal-only, diaphragmatic, light breathing. Around it, we draw on the De Rose method and yoga traditions for a broader, more complete breath training practice. Calmer in stress, sharper at work, steadier in sport.

BOLT - your measurable baseline

Body Oxygen Level Test. A simple breath-hold test that tracks your progress objectively. We measure at the start of every program week so you see the practice working, not just feel it.

Atemstark - a guided journey

Not a library of exercises to figure out alone. A coached 4-week program with daily practices, week-by-week framing, honest feedback after each session, and a clear next step every day.

The program

Four weeks, four shifts.

Each week opens a new layer of the practice and carries forward what you've learned. 10-25 minutes per day, your pace.

  1. 1

    Week 1 - Awareness & Mechanics

    Notice your breath. Restore nasal, diaphragmatic breathing.

  2. 2

    Week 2 - Calm the System

    Slow the breath. Lengthen exhales. Activate the parasympathetic.

  3. 3

    Week 3 - Build CO₂ Tolerance

    Get comfortable with air hunger. Begin breath holds.

  4. 4

    Week 4 - Integration & Application

    Combine into a full practice. Apply during movement.

Inside the app

Designed for the practice.

Calm interface. Clear progress. Honest feedback.

Program

1

Awareness & Mechanics

10-15 min / day

Notice your breath. Restore nasal, diaphragmatic breathing.

  • · BOLT measurement
  • · Breathe Low (3x)
  • · Breathe Deep (2x)
Begin Week 1
2

Week 2 - Calm the System

3

Week 3 - Build CO₂ Tolerance

4

Week 4 - Integration

Program week

Four guided weeks. One clear focus per week.

Paths

Quick flows

For the moment you're in.

Calm in 5

Stress, before a meeting

5 min

Breathe Slow → Breathe Low

Start path

Better Sleep

Wind down at night

10 min

Energise

Morning, pre-workout

10 min

Recover

Post-exertion, post-stress

10 min

Paths

Five-to-fifteen minute flows for whatever the day brings.

Breathe Slow

03:24

The practice

The breath visualiser. Expands on the inhale, settles on the exhale.

Stories

Real practice, real change.

Three weeks in, I sleep through the night again. The BOLT measurement made it feel like a real practice, not just an app.

Anna M.

34, Zurich

I'd trained with breath holds before but never with this kind of structure. The weekly check-in caught me when I was pushing too hard. My BOLT went from 22 to 31 across the program.

Lukas B.

41, Bern · Amateur cyclist

Calm in 5 is the one I use most - between client calls, before meetings. Worth the price for that alone.

Sandra K.

29, Zurich

Pricing

Pay once. Practice for 12 months.

✦ Early-bird price

39CHF69

One-time payment · Then 69 CHF

  • 4-week guided breath training program
  • BOLT measurement at the start of each week
  • Library of breath exercises — Oxygen Advantage, De Rose, yoga
  • Curated paths for stress, sleep, energy, recovery
  • Themed mini-programs added regularly (e.g., 7-day sleep reset)
  • Honest session feedback against measurable targets
  • 12 months access - practice at your pace
  • Available in English and German

14-day refund · 12 months access from purchase

FAQ

Honest answers.

  • A breathing protocol developed by Patrick McKeown that emphasises nasal, diaphragmatic, lower-volume breathing and gradually building CO₂ tolerance. The aim is to retrain your body to do more with less air - calmer in stress, sharper at work, steadier in sport. Foundations uses this as its core, expanded with techniques from the De Rose method and yoga for a more complete breath training practice.