Lune Line Cycle Tracker
Moon to Moon Menstrual Tracker
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Lune Line is a private Cycle and Period tracker designed to reduce the monthly mental load. Log your period easily, get updated predictions, and stay prepared with gentle reminders.
What you can do:
• Track period dates
• See your cycle day and estimated cycle stage
• View predicted upcoming period dates (updates as you log)
• Get reminders before your period – plus a nudge if you forgot to log the start
• Add an optional PIN to help keep your tracking private on your device
Optional shop:
• Browse curated period care, hygiene, and comfort essentials for her, him, and couples
Important:
Lune Line provides tracking tools and estimates. It is not medical advice and should not be used for contraception or pregnancy prevention. If you have health concerns, consult a qualified healthcare professional.
Ratings & Reviews
- Bug fixes and performance improvements,
- Calendar UX improvements (added vertical scrolling).
The developer, Sexology Systems LLC, 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:
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- SEXOLOGY SYSTEMS LLC
- Size
- 60 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 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
18+
- 18+
- Copyright
- © 2026 SEXOLOGY Systems