Reduce Stress
Activate your body's calm response
BreathFly
Research-backed breathing
Build calm and focus with 20+ breathing patterns backed by peer-reviewed science. From Stanford research to Navy SEAL techniques, find the perfect breath for any moment.
100+ Studies
Privacy First
Apple Watch
Your Goals
Breathe with purpose
Every pattern is designed for a specific outcome
Sleep Better
Fall asleep faster, sleep deeper
Improve Focus
Sharpen attention and clarity
Boost Energy
Natural energy without stimulants
Backed by Science
Featured patterns
Every technique cites peer-reviewed research
Stanford University (2023)
Cyclic Sighing
"Stanford's #1 stress reducer"
Outperformed box breathing and meditation for mood improvement in controlled studies.
US Navy SEALs
Box Breathing
"Navy SEAL focus technique"
Maintains peak performance and decision-making under high-pressure situations.
Dr. Andrew Weil
4-7-8 Breathing
"Natural tranquilizer for sleep"
Significantly improves sleep quality and reduces time to fall asleep.
HRV Research
Resonance Breathing
"5.5 breaths/min for optimal HRV"
Can boost heart rate variability by up to 40% with consistent practice.
...and 16+ more patterns for stress relief, sleep, focus, energy, respiratory health, emotional balance, and recovery
Features
Everything you need
Designed for building lasting breathing habits
Science-Backed Library
20+ breathing patterns with research citations from Stanford, NIH, and peer-reviewed studies.
Personalized Onboarding
AI-powered routine recommendations based on your goals, experience, and lifestyle.
Smart Reminders
Tap notification, start breathing. Deep-linked reminders eliminate friction.
Visual Breathing Guide
Smooth animated circle with haptic feedback. Full-screen, distraction-free sessions.
Progress Analytics
Track streaks, session history, and breathing patterns. See your calm grow over time.
Apple Watch App
Standalone watch app with HRV insights. Breathe anywhere without your phone.
Start breathing better today
Join thousands building calm and focus with research-backed breathing techniques. Free to download, no account required.