AppMarketSpy › Health & Fitness › 478 Breath
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App info
- Developer
- Zheng Yuxin
- Category
- Health & Fitness
- Released
- Sep 15, 2026
- Version
- 1.0.1 (Sep 19, 2026)
- Price
- Free
- Size
- 14.9 MB
- Requires
- iOS 17.0
- Age rating
- 9+
- Languages
- English, Dutch, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese, Turkish
In-app purchases
| 478 Breath Premium (Yearly) | $9.99 |
| 478 Breath Premium | $0.99 |
Current prices, App Store US.
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About 478 Breath
478 Breath is a minimalist guided breathing app that pairs the classic 4-7-8 technique with your Apple Health heart rate variability (HRV) data — so you don't just practice, you see the effect. — A breathing nebula — No rigid expanding circle. The home screen is a living nebula that gently pulses at your recent breathing rate, its color shifting with today's HRV. Inhale, hold, and exhale along with it. — Multiple rhythms — 4-7-8 (classic calm), 4-4-6 (beginner), 4-8-8 (longer hold), 4-8-10 (deepest relaxation). Set any length from 1 to 30 minutes, with voice guidance that follows your system language. — See your change — With Apple Watch, the app reads your HRV before and after a session and charts your trend across Today, 30 days, 12 months, and beyond — real data to keep you going. — Privacy first — Everything stays on your device. No account, no ads, no third-party tracking. None of…
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