Know• app icon

Apps Like Know• for iPhone and iPad

by Darin Armstrong★ 3.88 ratingsHealth & FitnessFreeData updated 2026-09-06

Know• screenshots

Ranked alternatives

Showing 21–40 of 1,000 ranked alternatives.

  1. Period Tracker: Natural Cycles app icon

    Period Tracker: Natural Cycles

    AppManage LLC

    Track cycles, predict ovulation, log fertility days

    Track menstrual cycles with a to predict and visualize future periods, fertile days, and ovulation. Log dates and symptoms. Set reminders for birth control or contraceptives. View charts and statistics for patterns. Sync data across devices.

    ★ 4.71,308 ratingsHealth & FitnessFreeData updated 2026-09-10
  2. Maya - Period & Health app icon

    Maya - Period & Health

    Plackal Techno Systems Pvt. Ltd.

    Track periods, symptoms, and reminders

    Track menstrual cycles with daily predictions and automatic fertility tracking. Monitor symptoms and set reminders. Record pregnancy details and access multilingual support. Share insights and receive updates on cycle patterns.

    ★ 4.83,013 ratingsHealth & FitnessFreeData updated 2026-09-08
  3. Pregmate Ovulation Tracker app icon

    Pregmate Ovulation Tracker

    Asteria LLC

    Track , predict fertile days, understand

    Track with cycle history to predict fertile days. Log basal body temperature and cervical mucus changes. Receive fertility forecasts and auto-detect test results. Set reminders for testing and track cycle patterns over time.

    ★ 4.99,476 ratingsHealth & FitnessFreeData updated 2026-09-06
  4. Premom-Ovulation Tracker, PCOS app icon

    Premom-Ovulation Tracker, PCOS

    Easy Healthcare Corporation

    Track cycle, predict , log symptoms

    Track menstrual cycles and with hormone monitoring and fertility predictions. Input cycle data and test results to identify fertile windows. Receive personalized guidance and educational content to support conception efforts.

    ★ 4.859,403 ratingsHealth & FitnessFreeData updated 2026-09-10
  5. Period Tracker - Women Journal app icon

    Period Tracker - Women Journal

    Symon Johnson

    Track cycles, monitor ovulation, stay informed

    Track menstrual cycles with a personalized monthly calendar. Receive forecasts for ovulation periods. Maintain a history of past periods for annual tracking. Monitor premenstrual syndrome symptoms.

    ★ 4.63,311 ratingsHealth & FitnessFreeData updated 2026-09-06
  6. Period Tracker Deluxe app icon

    Period Tracker Deluxe

    GP International LLC

    Track periods, share data, and plan pregnancy

    Track menstrual cycles by pressing a button each month. Logs dates and calculates average cycle length. Supports HealthKit, 3DTouch, and TouchID. Includes Pregnancy Mode with weekly images and articles. Shares data with partners.

    ★ 4.910,713 ratingsHealth & Fitness$9.99Data updated 2026-09-06
  7. LADYTIMER Period Calendar app icon

    LADYTIMER Period Calendar

    Vipos Web Apps

    Track cycles, set reminders, log symptoms

    Track menstrual cycles with and ovulation calendars. Log symptoms, moods, and weight. Set reminders for periods, ovulation, and medical exams. View temperature charts and fertility data. Share data with doctors or partners.

    ★ 4.89 ratingsHealth & Fitness$4.99Data updated 2026-09-08
  8. Period Tracker. Cycle Calendar app icon

    Period Tracker. Cycle Calendar

    Tatyana Kolesnikova

    Track , set reminders, log periods

    Track menstrual cycles with a to predict periods, ovulation, and fertile days. Receive notifications for start and contraceptive pill intake. Sync data across devices using iCloud. Calculate next and plan contraception or pregnancy.

    ★ 4.5568 ratingsMedicalFreeData updated 2026-09-10
  9. BabyCenter Pregnancy Tracker app icon

    BabyCenter Pregnancy Tracker

    Everyday Health, Inc.

    , baby, and family progress

    With weekly updates and due date calculations. Monitor baby's development and receive expert advice. Access community forums and medically reviewed content. Log symptoms and due date. Share updates with family.

    ★ 4.9296,201 ratingsMedicalFreeData updated 2026-09-11
  10. IVY Period & Pregnancy Tracker app icon

    IVY Period & Pregnancy Tracker

    String Health, Inc.

    Track periods, ovulation, and data

    Track menstrual cycles, ovulation, and with secure data encryption and private key protection. Store health information securely and delete data at any time. Data is not shared or sold to third parties. Co-developed with health and medical experts.

    ★ 4.767,905 ratingsHealth & FitnessFreeData updated 2026-09-08
  11. Fertility Friend FF Tracker app icon

    Fertility Friend FF Tracker

    Tamtris Web Services Inc.

    Track ovulation and chart cycles

    Track period cycles and signs like BBT, cervical fluid, and OPKs. Log symptoms and identify fertile days. View cycle patterns and receive reminders for tracking. Share data with healthcare providers.

    ★ 4.87,387 ratingsHealth & FitnessFreeData updated 2026-09-08
  12. HiMommy: Ovulation & Pregnancy app icon

    HiMommy: Ovulation & Pregnancy

    Idea Accelerator Sp. z o.o.

    Track cycles, plan fertility, manage

    Track menstrual cycles and dates to identify fertile windows. Monitor progress with daily fetal development updates. Set reminders for prenatal appointments and medication. Share health data with healthcare providers.

    ★ 4.84,652 ratingsMedicalFreeData updated 2026-09-06
  13. Lively - Period Tracker, Cycle app icon

    Lively - Period Tracker, Cycle

    Lively Cycle, LLC

    Track phase and get daily tips

    Track menstrual phases and hormone levels to receive personalized daily tips. Log symptoms and mood changes. Get guidance on nutrition, exercise, and self-care tailored to your stage.

    ★ 4.850,605 ratingsHealth & FitnessFreeData updated 2026-09-11

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.