VitalOS Cycle
Privacy-First Cycle Tracker
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Your cycle. Your data. Truly private period tracking.
Track your cycle with complete privacy. Your data never leaves your device.
VitalOS Cycle was built by a father for his daughter, because her health data deserves real protection - not just privacy policies.
This is something different: an app where your most intimate health information never leaves your device.
Completely free. No subscriptions. No ads. No data selling.
FEATURES
Period tracking with smart predictions
Fertility window and ovulation estimates
PMS tracking and alerts
Daily symptom and mood logging
Cycle history and statistics
Intuitive calendar
PRIVACY FIRST
All data stored locally on your device
No account required to use
No data sold or shared - ever
Zero-knowledge architecture
No servers storing your cycle data
Part of the VitalOS health platform. Optionally link with other VitalOS apps for a complete health picture - all while keeping your data private and under your control.
Your body. Your data. Your choice.
Terms of Use: https://healthai-backend-production-9451.up.railway.app/legal/cycle-terms
Privacy Policy: https://healthai-backend-production-9451.up.railway.app/legal/cycle-privacy
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
What's new in v1.3.0:
- New guided onboarding — get set up in minutes with cycle predictions from day one
- Backup import — restore your data from a previous export
- Improved security setup — PIN and biometric protection works smoothly across all devices
- Bug fixes: fixed cycle history filtering, luteal phase calculation, and version display
- Codebase cleanup for improved performance and stability
The developer, Ronald Edmeades, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ronald Edmeades
- Size
- 41.4 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Monthly Premium $3.99
- Annual Subscription $29.99
- Copyright
- © 2026 Ronald Edmeades