
Stress Calculator for watch
HRV-Based Stress Monitoring
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Free
In-App Purchases
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About
Stress Calculator – HRV & Heart Rate Monitor
Track Stress. Monitor HRV. Understand Your Well-Being.
Understand your body’s stress responses with Stress Calculator, a simple and privacy-focused stress tracking app for iPhone and Apple Watch.
Using Heart Rate Variability (HRV) and heart rate data from Apple Health, Stress Calculator provides estimated stress levels, helping you explore daily patterns, monitor long-term trends, and make more informed wellness decisions.
Whether you’re tracking daily stress, practicing mindfulness, or monitoring recovery, Stress Calculator makes it easy to understand your physiological trends.
KEY FEATURES
STRESS LEVEL MONITORING
Estimate your stress level using Heart Rate Variability (HRV) and heart rate measurements.
View easy-to-understand stress indicators and monitor changes in your body’s physiological responses.
APPLE WATCH SUPPORT
Monitor estimated stress levels directly from your Apple Watch.
Access stress insights, view trends, and stay connected to your wellness information from your wrist.
APPLE HEALTH INTEGRATION
Securely access HRV and heart rate measurements from Apple Health with your permission.
Stress Calculator uses available health measurements to provide personalized stress estimates.
DAILY STRESS INSIGHTS
Explore your estimated stress levels throughout the day.
Understand how your physiological measurements change over time and identify patterns in your daily routine.
HISTORICAL TRENDS & ANALYTICS
Explore your stress history with intuitive charts and visualizations.
Review daily, weekly, and monthly trends to better understand changes in your stress estimates and HRV measurements.
DETAILED PDF REPORTS
Generate stress and HRV reports in PDF format.
Download, save, or share reports to review your wellness trends over time.
HOME SCREEN WIDGETS
Stay informed with convenient iPhone widgets that provide quick access to your latest stress information.
APPLE WATCH COMPLICATIONS
Access stress information directly from supported Apple Watch faces for convenient monitoring.
LIGHT & DARK MODE
Enjoy a clean, modern interface with support for both Light and Dark appearances.
MULTIPLE LANGUAGES
Use Stress Calculator in your preferred language.
Supported languages include English, Arabic, Chinese (Simplified), Japanese, Spanish, French, German, and Russian.
PRIVACY FIRST
Your health information belongs to you.
• Health data remains on your device.
• No account or registration required.
• No cloud storage of your health information.
• No third-party analytics or tracking.
• No advertisements.
• Apple Health access requires your permission.
Monitor your wellness with confidence and privacy.
WHY CHOOSE STRESS CALCULATOR?
• HRV and heart rate-based stress estimates.
• Seamless Apple Health integration.
• iPhone and Apple Watch support.
• Simple, intuitive stress monitoring.
• Historical trends and visual analytics.
• Downloadable PDF reports.
• Convenient widgets and watch complications.
• Privacy-focused design.
• No accounts, advertisements, or tracking.
Optional Premium Subscription to Unlock advanced insights
Subscriptions are managed securely through your Apple Account and can be canceled in your Apple subscription settings.
IMPORTANT HEALTH DISCLAIMER
Stress Calculator is intended for general wellness and informational purposes only.
Stress estimates are derived from HRV and heart rate measurements and may be influenced by physical activity, sleep, illness, medications, and other factors.
The app is not a medical device and is not intended to diagnose, treat, cure, or prevent any medical condition, including anxiety or stress-related disorders.
Stress estimates should not be used as the basis for medical decisions. If you have health concerns or experience persistent or severe symptoms, consult a qualified healthcare professional.
By downloading or using Stress Calculator, you agree to our Terms of Use and Privacy Policy.
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What's New in Stress Calculator for watch
1.2.3
October 28, 2026
• Improved layouts and user interface for a smoother experience. • Bug fixes and performance improvements for better stability. • Added support for Polish Language
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Subscriptions & In-App Purchases
Yearly Subscription
Yearly Subscription
$3.991 Year
Price Updates
October 30, 2026→$3.99
September 26, 2026→$3.99
June 20, 2026→$14.99



