
Free
About
CycleCipher is the private, intelligent cycle and period tracker designed for complete confidentiality. Your reproductive health data is among your most sensitive personal informatio CycleCipher ensures it stays strictly yours with military-grade, on-device AES-256 encryption.
100% ZERO-KNOWLEDGE & PRIVATE
• On-Device Encryption: All your logs, cycle dates, and notes are encrypted locally before ever being stored.
• No Tracking & No Ads: We do not track you, sell your data to brokers, or serve ads. Ever.
• Private & Anonymous: Authenticate with Sign in with Apple and support for 'Hide My Email'.
• Discreet Mode: Switch notification previews and phase labels to discreet wording when privacy in public matters.
EFFORTLESS CYCLE & SYMPTOM LOGGING
• Fast 2-Second Logging: Quickly log flow intensity, cramps, mood, wellness, and intimate activity with an intuitive native interface.
• Smart Predictive Algorithm: Outlier-resistant cycle and ovulation forecasting that adapts to your unique body rhythm over time.
• Fertile Window Tracking: Clear visualization of your follicular, ovulatory, and luteal phases with estimated pregnancy likelihood.
• Comprehensive Calendar: Apple Health-inspired interactive timeline and 12-month bird's-eye view.
SMART PATTERNS & INSIGHTS
• Cycle regularity scores and average length statistics.
• Recurring symptom detection (e.g., pre-menstrual cramp warnings).
• Customizable notifications for upcoming periods and fertile windows.
MEDICAL DISCLAIMER (Apple Guideline 1.4.1 Compliance):
CycleCipher is an informational cycle tracking and wellness tool. It is not intended as a substitute for professional medical advice, diagnosis, or treatment, and should never be used as a primary form of contraception or birth control. Always consult a qualified healthcare provider for medical concerns.
Privacy Policy: https://cyclecipher.netlify.app/privacy
Terms of Service: https://cyclecipher.netlify.app/terms
Support: driesdrs@gmail.com
Show more
What's New in CycleCipher
1.0
November 6, 2026





