Breathing Trainer: HRV Calm
Breathwork for sleep & stress
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Calm your nervous system with guided breathing — and see it working. Measure your HRV before and after every session and watch your calm grow.
Breathing Trainer helps you calm your nervous system — and actually shows it working. Measure your heart-rate variability (HRV) and pulse before and after each session, and watch your calm grow session after session.
PROVEN BREATHING PATTERNS
• Box 4-4-4-4, 4-7-8, Coherent 5.5, Physiological Sigh, Relaxing, Energizing, Triangle
• Build your own pattern with a simple visual editor
• Goal routes for Sleep, Focus, Anxiety, Energy and Stress
SEE THE CALM, DON'T JUST FEEL IT
• Reads HRV & heart rate from Apple Health / Apple Watch
• No Watch? Measure your pulse right on the camera
• A before/after delta shows how much you settled down
A CALMER SESSION
• Breathing orb with gentle voice guidance and soft breath tones
• Core Haptics guide every phase — inhale, hold, exhale
• SOS panic overlay for the moments you need it most
STAY WITH IT
• Streaks, Mindful Minutes and an HRV trend
• Writes sessions to Apple Health as Mindful Minutes
• Fully offline — no account, no sign-up
Breathing Trainer Pro unlocks the full pattern library, all goal routes, HRV trends, and guided voice & breath tones. Subscriptions renew automatically unless cancelled; a lifetime option is available.
Breathing Trainer is a wellness app, not a medical device — HRV and pulse figures are estimates.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Vadim Semenko, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Vadim Semenko
- Size
- 12.6 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later. - Apple Watch
Requires watchOS 10.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Lifetime $19.99
- Weekly $4.99
- Yearly $49.99
- Copyright
- © 2026 Vadim Semenko