Cycle Intelligence
Predicting your next phase with local-first algorithms.
Privacy-first menstrual health
Professional-grade cycle tracking with Zero-Knowledge encryption. No installs, no trackers, no compromises.
Cycle Prediction
Next phase in 4 days
Storage State
Client-side encrypted
AES-256 GCM
Military-grade encryption.
Zero-Knowledge
We can’t see your data, even if we wanted to.
Web-Native
No App Store required. Add to home screen in one tap.
Open Protocol
Built on audited cryptographic standards.
Predicting your next phase with local-first algorithms.
Log 30+ data points from mood to basal body temperature.
Securely share your fertility window with a partner using an encrypted handshake—no server-side access.
Your data belongs to you. Export your entire history to a decrypted PDF for your doctor in one click.
Step 1
Open the link in your mobile browser.
Step 2
Tap “Add to Home Screen”.
Step 3
Set your master password and start tracking.
| Feature | Technical Implementation |
|---|---|
| Encryption | PBKDF2 (SHA-512) with 250k+ Iterations |
| Storage | Client-side only; Encrypted blobs in Supabase |
| Architecture | Progressive Web App (PWA) |
| Syncing | ECDH Key Exchange for Partner Sharing |