NyxFlow - AI Menstrual Tracker
Cycle Tracking
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Track Your Cycle with Confidence!
Period Tracker Happy Day helps you effortlessly log your menstrual cycle, predict upcoming periods, and identify fertile windows. Designed for women who want to understand their bodies better—whether for pregnancy planning or natural contraception.
Key Features:
Smart Predictions: Automatically calculates your next period, ovulation days, and safe periods based on your data.
Fertility Insights: Clear charts and notifications for ovulation and high-risk pregnancy days.
Privacy First: Your data stays on your device—no cloud storage
Privacy Policy: https://www.partneraichatbot.com/periodhappyrabbit/Privacy.html
Terms Of Use: https://www.partneraichatbot.com/periodhappyrabbit/TermsOfUse.html
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Fix Bug ! ! !
The developer, Shenzhen Youmei Interactive Technology Co.,LtD, 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 Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Shenzhen Youmei Interactive Technology Co.,LtD
- Size
- 112.8 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPod touch
Requires iOS 15.0 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
16+
- 16+
- Infrequent
Mature or Suggestive Themes
Medical Treatment information
- In-App Purchases
Yes
- Weekly Member $14.99
- Yearly Member $39.99
- Yearly Member $29.99
- Life Membership $49.99
- Copyright
- © PeriodTracker@2025