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 101–120 of 1,000 ranked alternatives.

  1. Vio Period Tracker Cycle Diary app icon

    Vio Period Tracker Cycle Diary

    Kiril Zhyla

    Track menstrual cycles and symptoms

    Track menstrual cycles with detailed logging and visual analytics. Calculate ovulation and fertile windows automatically. Monitor symptoms, steps, water intake, and other health metrics. Set reminders and receive alerts for key events.

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

    Cycles: Period & Cycle Tracker

    Perigee AB

    Track , connect with partners

    Track menstrual with a clean interface and view for quick insights. Log physical and mood observations. Predict fertile days and receive alerts for irregular or missed periods. Share data with partners through partner connect.

    ★ 4.726,918 ratingsHealth & FitnessFreeData updated 2026-09-08
  3. Inito Fertility Monitor app icon

    Inito Fertility Monitor

    Samplytics Technologies Private Limited

    Track hormones and confirm

    Tracks by measuring estrogen, LH, PdG, and FSH levels. Identifies 6 fertile days using estrogen and LH. Confirms through PdG detection. Provides personalized results based on hormone data. Syncs data with the for cycle tracking and analysis.

    ★ 4.94,866 ratingsHealth & FitnessFreeData updated 2026-09-12
  4. Fertitude Period Tracker app icon

    Fertitude Period Tracker

    Fertitude Technologies Limited

    Track cycles, learn about fertility, chat

    Track menstrual cycles, fertile windows, and ovulation days. Log symptoms and view cycle patterns. Chat with a 24/7 AI assistant for reproductive health guidance. Book video consultations with gynecologists and fertility specialists.

    ★ 4.28 ratingsMedicalFreeData updated 2026-09-06
  5. Period Tracking Calendar app icon

    Period Tracking Calendar

    Shane McLean

    Track periods, predict cycles, plan life

    Track menstrual cycles with a that predicts future periods and fertile days. Log symptoms, set reminders, and view cycle history. Receive alerts for upcoming periods and sync data across devices.

    ★ 4.610,703 ratingsHealth & FitnessFreeData updated 2026-09-08

How we rank alternatives

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