Breathe for better HRV
Ondrej Kvasnovsky Health & Fitness iPhoneiPadiPod touch
Breathe for better HRV is a free Health & Fitness app for iPhone and iPad by Ondrej Kvasnovsky. Requires iOS 17.1. Updated February 19, 2026.
- Price
- Free
- on the App Store
- Size
- 21 MB
- Age 4+
- Updated
- Feb 19
- 2026 · v1.0.2
Screenshots
About Breathe for better HRV
Breathe app offers guided sessions for both HRV breathing and the 4-7-8 technique, accompanied by calming sounds to deepen your relaxation experience. What is HRV breathing? HRV, or Heart Rate Variability, is a critical indicator of overall well-being, sleep quality, and body recovery. It measures the variations in time between each heartbeat, reflecting autonomic nervous system flexibility and health. Optimal HRV during sleep signifies efficient physiological restoration, while low HRV may indicate disturbances in sleep patterns or insufficient recovery. HRV breathing, also known as 'coherent breathing' or 'resonance breathing', involves taking slow, deep breaths at a rate of around six breaths per minute. This practice stimulates the parasympathetic nervous system, promoting relaxation, conserving energy, and supporting bodily recovery processes. What is 4-7-8 breathing? The 4-7-8 breathing technique is a simple yet powerful relaxation method involving breathing in for 4 seconds, holding the breath for 7 seconds, and exhaling slowly for 8 seconds. Why practice 4-7-8 breathing? This technique is widely used to promote relaxation, reduce stress, and induce sleep. By engaging the body's relaxation response, it helps calm the nervous system and instill tranquility. Through deep, rhythmic breathing, it lowers stress hormones, stabilizes heart rate and blood pressure, and increases oxygen intake for a calming effect. Regular practice can enhance relaxation, improve sleep, and aid in anxiety management. Disclaimer: Please be advised that "Breathe for Better HRV" offers health-related information intended for informational purposes only. It is crucial to understand that the content provided within the app is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on "Breathe for Better HRV". Reliance on any information provided by "Breathe for Better HRV" is solely at your own risk.
What’s new
Version 1.0.2 · Updated February 19, 2026
Added Box Breathing — a new 4-second in, hold, out, hold technique used by Navy SEALs for focus and stress relief — plus a live countdown and always-on phase guidance across all breathing exercises.
App privacy
The developer, Ondrej Kvasnovsky, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Usage Data: Product Interaction
Used for: Analytics
Alternatives to Breathe for better HRV
Looking for apps like Breathe for better HRV? Here are 6 similar apps on the App Store. The highest rated is Labor Timer: Contraction Log (5.0/5), and 3 of the 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Breathe for better HRV | – | Free | February 19, 2026 | |
| NoSmoke-Club | – | Free | Jul 15, 2026 | Compare |
| Labor Timer: Contraction Log | 5.0 / 5 (2) | 1.99 USD | Jun 1, 2026 | Compare |
| Blood Sugar Tracker: BS Log | 5.0 / 5 (3) | 24.99 USD | Sep 12, 2025 | Compare |
| Wave • Contraction Timer | 5.0 / 5 (1) | 0.99 USD | Oct 29, 2025 | Compare |
| Eat the Rainbow Food Journal | 4.5 / 5 (157) | Free | Sep 4, 2025 | Compare |
| Calorie Counter : Nutrixa | 3.0 / 5 (1) | Free | Apr 15, 2026 | Compare |