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 61–80 of 1,000 ranked alternatives.

  1. Her Calendar: Period Tracker app icon

    Her Calendar: Period Tracker

    Yuting Li

    Track , ovulation, and fertile window

    Track menstrual cycles, ovulation, and fertile windows. Predict future periods and set reminders. View detailed cycle history and statistics. Manage birth control schedules and fertility tracking.

    ★ 4.753 ratingsHealth & FitnessFreeData updated 2026-09-06
  2. Period & Cycle Tracker app icon

    Period & Cycle Tracker

    SPD Development Co Ltd

    Track symptoms and log periods

    Track menstrual phases and symptoms. Log periods and ovulation test results manually or via connected tests. View fertility probability based on length. Set reminders and receive insights about peak fertility days.

    ★ 4.91,196 ratingsHealth & FitnessFreeData updated 2026-09-06
  3. Fertility & Period Tracker • app icon

    Fertility & Period Tracker •

    Med ART Studios LLC

    Track periods, , and ovulation

    Track menstrual cycles, windows, and ovulation dates. Record details and symptoms. Predict future cycles and windows. Sync data across devices. Set reminders for medications or appointments. Share data securely with healthcare providers.

    ★ 4.6290 ratingsMedicalFreeData updated 2026-09-09
  1. Period & Ovulation Calculator app icon

    Period & Ovulation Calculator

    AESTHETIC WIDGETS LTD

    Track cycles, predict , plan family

    Track menstrual cycles with a calendar to log dates and symptoms. Calculate dates and fertility windows. Set reminders for pregnancy tests and labor dates. Monitor safe days and track pregnancy progress. Sync data across devices.

    ★ 4.5546 ratingsHealth & FitnessFreeData updated 2026-09-06
  2. Period Tracker-Pregnancy・Femin app icon

    Period Tracker-Pregnancy・Femin

    OCEAN FLOAT MOBILE LIMITED

    Track cycle, predict ovulation, plan pregnancy

    Track menstrual cycles and ovulation with a Cycle Tracker and Symptom Tracker. Use Cycle Insights for detailed analysis and an advanced Ovulation Tracker. Set reminders for medications or appointments.

    ★ 4.71,464 ratingsHealth & FitnessFreeData updated 2026-09-06
  3. iPeriod Period Tracker HD + app icon

    iPeriod Period Tracker HD +

    Winkpass Creations, Inc.

    Track menstrual cycles and symptoms

    Track menstrual cycles with dates, duration, and symptoms. Set reminders for medications or appointments. Sync data across devices. View cycle history and trend analysis. Share data with healthcare providers.

    ★ 4.1263 ratingsHealth & Fitness$1.99Data updated 2026-09-08
  4. My Fertility Charts app icon

    My Fertility Charts

    Clocking Edge, LLC

    Track cycles and chart symptoms

    Track by logging symptoms like menstruation, basal body temperature, cervical mucus, and ovulation test results. Calculate fertile window and ovulation dates. View cycle and receive estimates based on recorded data.

    ★ 2.33 ratingsHealth & FitnessFreeData updated 2026-09-08
  5. Pregnancy Tracker - Lifeing app icon

    Pregnancy Tracker - Lifeing

    LIFEING LTD

    Track baby's development and due date

    Track ovulation, symptoms, and baby's development from conception to birth. Calculate estimated due date and view week-by-week growth calendar. See fetal size, weight, and developmental milestones with illustrations.

    ★ 4.8403 ratingsMedicalFreeData updated 2026-09-06

How we rank alternatives

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