iPhone, iPad, Apple Watch
A calmer nervous system in one simple rhythm.
478 Reset is a breathing app for iOS built around the 4-7-8 breathing technique popularized by Dr. Andrew Weil: inhale for 4, hold for 7, exhale for 8. Use it as a sleep aid, for sleep anxiety, or for quiet breathing exercises during the day.
- Offline voice cues and haptics
- Track sessions with optional Apple Health saving
- Apple Watch support with synced daily progress
4-7-8 Breathing
A breathing exercise app for sleep improvement, bedtime calm, and anxious moments.
Looking for a 478 breathing app or a breathing app for iOS? 478 Reset is built around the 4-7-8 breathing exercise, also searched as 478 breathing, 4 7 8 breathing, breathing technique for sleep, and breathing exercises for anxiety. The pattern is simple: breathe in for four seconds, hold for seven, and exhale for eight.
Many people use 4-7-8 breathing as a sleep aid, for sleep anxiety, or as a short calming routine before bed. Others use it as an iOS breathing app or Apple Watch breathing app for a fast reset during work, travel, or high-stress moments when they want guided breathing without extra clutter.
Screens
A quick look inside the app.
From the Blog
Start with the posts that match the moment you are in.
Sleep Aid
What Is 4-7-8 Breathing for Sleep?
Why people use the technique at bedtime, and why guided timing can make it easier to repeat.
Read articleSleep Anxiety
How to Use 4-7-8 Breathing for Sleep Anxiety
A practical way to use the rhythm when you feel tired but mentally switched on.
Read articleApple Watch
Why 4-7-8 Breathing Works Well on Apple Watch
How wrist-based sessions reduce friction and support eyes-closed breathing practice.
Read articleBuilt for consistency
Use it at your desk, in bed, or from your wrist when you do not want a phone in your hand.
The interface stays restrained on purpose: no adverts, a strong visual breathing cue, phase-by-phase haptics, optional voice guidance, flexible session lengths, and Apple Watch independence when you want to run a session without picking up your phone.
Guided breathing
Large timing cues, optional voice prompts, and haptic transitions for eyes-closed use
Track history
Calendar-based review of sessions and streaks
Apple Watch independence
Run 4-7-8 breathing from your wrist with synced progress across devices
FAQ
Common questions before you download.
What is 4-7-8 breathing?
It is a breathing technique where you inhale for 4 seconds, hold for 7, and exhale for 8. 478 Reset guides that rhythm cleanly on iPhone and Apple Watch.
Is this Dr. Andrew Weil's 4-7-8 breathing technique?
478 Reset is built around the 4-7-8 breathing pattern popularized by Dr. Andrew Weil. The app focuses on guiding that inhale, hold, exhale sequence with minimal friction.
Can I use 478 Reset as a sleep aid?
Yes. Many people use 4-7-8 breathing before bed for sleep improvement, bedtime relaxation, or to settle sleep anxiety. The app also works for quick daytime breathing exercises.
Does the Apple Watch breathing app work on its own?
Yes. The Apple Watch app is designed for independent use, so you can run guided breathing sessions from your wrist without staying on your iPhone.
Start with one session