NoStress: HRV Stress Tracker
Calm, Heart Rate & Sleep Sync
Free · In‑App Purchases
Works with your Apple Watch, Fitbit or any device that syncs to Apple Health or Google Health. One simple stress level from HRV, heart rate and sleep.
See stress building up before you feel it. NoStress turns the heart rate variability (HRV) your wearable already records in Apple Health or Google Health into one simple stress level, next to resting heart rate, sleep and blood oxygen.
Glance at your stress on the Apple Watch face, check the daily overview on iPhone, and follow weekly and monthly trends. Wear a Fitbit as well? Its steps, heart rate and sleep merge through Google Health sync without double-counting.
Works with any device: Apple Watch, Fitbit, or anything else that writes to Apple Health or Google Health, such as Oura, Whoop, Garmin or Withings. NoStress reads HRV, heart rate, resting heart rate, sleep and blood oxygen from there.
Monitor your stress levels through heart rate variability (HRV) data from your Apple Watch, Fitbit or any device that syncs to Apple Health. Simple, clean interface for understanding your body's signals.
Features:
* Real-time stress level display
* HRV and data tracking
* Resting heart rate monitoring
* SpO2 tracking
* Sleep duration analysis
* Respiratory rate monitoring
* Step counter
* Historical data charts
* Daily overview dashboard
* Weekly and monthly trends
Important:
This app displays biometric data for informational purposes only. It does not provide medical advice, diagnosis, or treatment recommendations. Always consult healthcare professionals for medical concerns.
NoStress Pro is an auto-renewing subscription: $9.99 per month, or $59.99 per year, each with a 3-day free trial for new subscribers. Payment is charged to your Apple ID account at confirmation of purchase. The subscription automatically renews unless it is turned off at least 24 hours before the end of the current period; your account is charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription anytime in your Apple ID account settings after purchase.
Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Manage or cancel subscriptions: https://apps.apple.com/account/subscriptions
Terms of Use: https://appstore-metadata.web.app/nostress/terms
Privacy Policy: https://appstore-metadata.web.app/nostress/privacy
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Ratings & Reviews
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The developer, Leonid Resenchuk, 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
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Leonid Resenchuk
- Size
- 25.2 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Apple Watch
Requires watchOS 10.6 or later.
- iPhone
- Languages
English and 4 more
- English, French, German, Portuguese, Spanish
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Unlimited Premium Yearly $59.99
- Unlimited Premium $9.99
- Copyright
- © NoStress Stress Tracker