Cyster: PCOS Care

PCOS care, made personal

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Cyster is a private PCOS wellbeing companion designed to help you understand patterns in your cycle, symptoms, nutrition, movement, sleep, hydration, and everyday health. Cyster is 100% free to use i.e. no subscriptions, paywalls or in-app purchases required. With Cyster, you can: • Track your cycle, symptoms, mood, sleep, meals, movement, hydration, and medications • Explore personalized PCOS-friendly recipes, workouts, and educational resources • Connect Apple Health to bring selected wellbeing information into one place • Chat with a supportive AI-powered wellbeing coach • Review trends and visual insights across Day, Week, Month, and Lifetime views • Create a clinician-friendly summary that you choose when and how to share • Keep your profile and wellbeing logs stored locally on your device Cyster is designed for educational and general wellbeing support. It does not diagnose, treat, cure, or prevent any medical condition and is not a substitute for advice from a qualified healthcare professional Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://cyster-web.vercel.app/privacy/

Ratings & Reviews

  • 5.0
    out of 5
    2 Ratings

Bug fixes and improvements, for our Cysters

Version 1.0.2

The developer, Prathmesh Kharade, 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 Linked to You

    The following data may be collected and linked to your identity:

    • Health & Fitness
    • Contact Info
    • User Content

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Purchases
    • User Content
    • Usage Data
    • Diagnostics

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

Accessibility

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

Information

Seller
  • Prathmesh Kharade
Size
  • 52.6 MB
Category
  • Health & Fitness
Compatibility
Requires iOS 26.0 or later.
  • iPhone
    Requires iOS 26.0 or later.
  • Mac
    Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 26.0 or later.
Languages
  • English
Age Rating
16+
  • 16+
  • Learn More
  • Frequent
    Medical Treatment information

    Contains
    Health or Wellness Topics
Copyright
  • © 2026 Cyster
  • Developer Website
  • Privacy Policy

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