Stressy
Your reserve. One number.
Stressy is an iOS and Apple Watch health application that translates biometrics into a single battery-style reserve score from 0 to 100%. By monitoring sleep, stress, steps, and workouts, it shows users exactly how much energy they have left for the day. All health data remains strictly on-device for privacy, available via a one-time purchase with no subscription.
Snapshot
Product analysis AI · from stressy.ervo.rocks
Problem it solves
Complex fitness and biometric metrics can be overwhelming to analyze, making it hard to understand overall daily strain, recovery, and readiness.
Why people use it
Simplifies Apple Watch biometric data into one easily digestible reserve score (0–100%) that fills with sleep and drains with stress, without requiring a recurring subscription.
Built for
Apple Watch and iPhone users looking for simple, actionable insights from their daily health and sleep data
Also: Privacy-conscious consumers who avoid subscription-based fitness apps, People wanting to monitor burn-out and daily stress levels
What makes it different
- Translates multiple health signals (sleep, steps, stress, workouts) into one unified reserve score (0-100%)
- One-time purchase model with no monthly subscription fees
- Privacy-first architecture where health data never leaves the user's devices
- Native support across iPhone, iPhone Duo, and Apple Watch
Business model
other
Works with
Alternatives
Industries
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