Understand your stress levels and take control of your well-being with Stress Calculator, a smart and private stress monitoring app powered by Heart Rate Variability (HRV) and heart rate data from Apple Health.
Designed for simplicity and accuracy, Stress Calculator helps you track daily stress trends due to anxiety, identify patterns, and build healthier habits — all while keeping your data secure on your device.
Key Features
Stress Level Calculator
Analyze stress using HRV and heart rate metrics.
Apple Health Integration
Securely reads Heart Rate and HRV data from Apple HealthKit with your permission.
Daily & Historical Insights
View stress levels by day and explore trends over time to understand what impacts your body.
Download & Share PDF Reports
Generate detailed stress and HRV reports in PDF format. Easily download or share reports with family and friends.
Clean & Intuitive Design
Simple charts and visuals make stress tracking easy and accessible.
Light & Dark Mode
Switch between Light and Dark mode for a comfortable viewing experience anytime, day or night.
Privacy First
Your health data stays on your device only. No cloud storage. No tracking. No ads.
Multi-Language Support
Available in:
English, Arabic, Chinese (Simplified), Japanese, Spanish, French, German, and Russian.
Optional Subscription
Unlock advanced insights and premium features through Apple’s secure in-app subscription system.
Why Choose Stress Calculator?
Uses Heart Rate Variability (HRV) — a trusted stress indicator
Works seamlessly with Apple Health
No accounts, no sign-ups
No data sharing or third-party analytics
Built for users who value privacy and accuracy
Who Is This App For?
Anyone wanting to monitor stress levels
Users interested in HRV tracking and heart health
People practicing mindfulness, fitness, or recovery
Those looking for a simple stress tracker app for iPhone
Health & Safety Disclaimer
Stress Calculator is intended for informational purposes only and does not provide medical advice or diagnosis and should not replace professional diagnosis and treatment. If you are into excessive stress, consult a healthcare professional in timely manner for medical concerns and do not make any medical decisions based on the app information.
By installing this application, you agree to our Terms of Use and Privacy Policy.
Terms of Use: https://github.com/emeraldys-git/terms-of-use/blob/main/stress-calculator
Privacy Policy: https://github.com/emeraldys-git/privacy-policy/blob/main/stress-calculator
What's new (v1.1.6)
Monthly trend reports can be viewed and downloaded