Flow: Period & Ovulation

Fertility Cycle & PMS Calendar

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Finally — a period tracker that actually gets you. Know your cycle, predict ovulation, and feel in control. FREE. No subscription to start. Flow is the period tracker and ovulation tracker designed for real life. Track your cycle, predict your next period, monitor PMS symptoms, and understand your fertility window — all in one place. Whether you have regular cycles or irregular periods, Flow adapts to your body. Millions of women use Flow to stay in control of their reproductive health — from their first menstrual cycle to perimenopause. WHAT FLOW DOES FOR YOU: — Predict your next period with up to 98% accuracy after 3 cycles — Identify your fertile window and peak ovulation days — Log symptoms: cramps, spotting, mood, energy, and more — Track BBT (basal body temperature) and cervical mucus — Monitor luteal phase, PMS patterns, and hormonal shifts — Period diary for irregular cycles and endometriosis tracking — Pregnancy support: trimester-by-trimester calendar — Perimenopause and hormonal health insights — Teen-friendly mode: first period guide, mood & hormone education — Available in 40+ languages with cloud sync across all devices YOUR PRIVACY, PROTECTED: Flow uses end-to-end encrypted, secure cloud storage. Your health data belongs to you — always. We never sell your data. Download Flow for FREE today and finally understand your body.

  • 4.1
    out of 5
    8 Ratings

Bug fixes

The developer, YACER ABDELAZIZ Y BOUCHEMA, 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
    • YACER ABDELAZIZ Y BOUCHEMA
    Size
    • 32 MB
    Category
    • Health & Fitness
    Compatibility
    Requires iOS 12.0 or later.
    • iPhone
      Requires iOS 12.0 or later.
    • iPod touch
      Requires iOS 12.0 or later.
    • Mac
      Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 22 more
    • English, Arabic, Croatian, Danish, Dutch, Finnish, French, German, Greek, Hindi, Indonesian, Italian, Japanese, Malay, Polish, Romanian, Russian, Simplified Chinese, Spanish, Swedish, Thai, Turkish, Vietnamese
    Age Rating
    4+
    Copyright
    • © 2026 Yacer Abdelaziz