Demetra: Cycle Tracking

Women dairy circle tracking

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Track your cycle, symptoms, mood, energy, and fertile window with a calm, privacy-first period tracker designed for every phase. Demetra is a privacy-first menstrual cycle tracker. No sign-up, no login, no external services, no analytics. All data stays on the user's device. The reviewer can complete onboarding with any data: 1. Tap Begin on Welcome 2. Type any nickname; sliders for age/height/weight 3. Pick any past date for last period 4. Tap through Medical / Goals with any selections 5. Tap Open Demetra to enter the main app All four bottom-bar tabs (Today / Cycle / Log / Library) are accessible immediately. Settings is the gear icon on Today. External services: none. Cycle math, articles, and advice run locally; no AI, no analytics, no networking. SQLite database on device. Phrasing is wellness-focused, non-diagnostic ("patterns", "may be worth discussing"). Not a medical device.

  • This app hasn’t received enough ratings or reviews to display an overview.

The developer, Andrew Tepliuk, 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 Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    • Andrew Tepliuk
    Size
    • 9.4 MB
    Category
    • Health & Fitness
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    13+
    Copyright
    • © SubLuna