Best Ovulation Calendar Apps

210+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated June 2026

Every iPhone needs a few good ovulation calendar apps. We benchmark 210+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Ovulation Calendar Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Period Tracker Period CalendarPeriod Tracker Period CalendarFree4.9★ (171K)YesYesJul 2026
2Premom-Ovulation Tracker, PCOSPremom-Ovulation Tracker, PCOSFree4.8★ (57K)YesYesJul 2026
3Ovulation Calculator Fertile Tracker & Calendar OCOvulation Calculator Fertile Tracker & Calendar OCFree4.6★ (5.9K)NoNoJul 2026
4Flo Cycle & Period TrackerFlo Cycle & Period TrackerFree4.7★ (1.9M)YesYesJul 2026
5Glow Ovulation & Period AppGlow Ovulation & Period AppFree4.7★ (74K)YesYesJul 2026
6Cycle Tracker & Period: CyclesCycle Tracker & Period: CyclesFree4.7★ (26K)NoYesJul 2026
7Clue Period & Cycle TrackerClue Period & Cycle TrackerFree4.8★ (399K)YesYesJul 2026
8Ovia Cycle & Pregnancy TrackerOvia Cycle & Pregnancy TrackerFree4.8★ (89K)YesNoJul 2026

Top Picks for Ovulation Calendar

Period Tracker Period Calendar#1

Period Tracker Period Calendar by ABISHKKING LIMITED.

Cycle Tracker & Ovulation
Editor's Choice
💪 Health & Fitness
4.9😊(171K ratings)
FreeAdsIn-App Purchases
#45in Health & Fitness
Period Tracker Period Calendar screenshot 1
Period Tracker Period Calendar screenshot 2
Period Tracker Period Calendar screenshot 3
Period Tracker Period Calendar screenshot 4
Period Tracker Period Calendar screenshot 5
Period Tracker Period Calendar screenshot 6

This app helps women track their menstrual cycles, ovulation, and fertility. It offers personalized advice, pregnancy tracking, and reminders for birth control and medication. Your data is kept private and stored locally on your device.

What We Love

  • ⭐ Accurate period tracking
  • 📆 Helpful calendar and diary features
  • 🌟 Customizable themes and pets
  • 🔍 Comprehensive symptom and health tracking

Room to Improve

  • 🔍 Unclear symptom definitions
  • 🔔 Intrusive and unskippable ads
  • 🔒 Concerns about data privacy and security
Premom-Ovulation Tracker, PCOS#2

Premom-Ovulation Tracker, PCOS by Easy Healthcare Corporation

Period, Fertility & Pregnancy
Strong Contender
💪 Health & Fitness
4.8😊(57K ratings)
FreeAdsIn-App Purchases
#71in Health & Fitness
Premom-Ovulation Tracker, PCOS screenshot 1
Premom-Ovulation Tracker, PCOS screenshot 2
Premom-Ovulation Tracker, PCOS screenshot 3
Premom-Ovulation Tracker, PCOS screenshot 4
Premom-Ovulation Tracker, PCOS screenshot 5
Premom-Ovulation Tracker, PCOS screenshot 6

This app helps women track their menstrual cycles, predict ovulation, and monitor fertility to increase chances of conception. It offers personalized insights, expert guidance, and tools like BBT charting and ovulation test scanning. Users can also track pregnancy progress and connect with a supportive community.

What We Love

  • 🚀 Accurate ovulation tracking
  • 👍 Easy to use app
  • 💡 Helpful community support
  • 🚀 Affordable ovulation tests

Room to Improve

  • 🐛 Inconsistent data tracking
  • 🐛 Frequent app crashes
  • 🐛 Inaccurate ovulation predictions
4.6😊(5.9K ratings)
Free
Ovulation Calculator Fertile Tracker & Calendar OC screenshot 1
Ovulation Calculator Fertile Tracker & Calendar OC screenshot 2
Ovulation Calculator Fertile Tracker & Calendar OC screenshot 3
Ovulation Calculator Fertile Tracker & Calendar OC screenshot 4
Ovulation Calculator Fertile Tracker & Calendar OC screenshot 5

This app helps users identify their most fertile days to increase the chances of conception. It analyzes personal cycle data, offers fertility knowledge, and provides access to a supportive community.

What We Love

  • 🚀 Accurate predictions
  • 👍 Easy to use
  • 💡 Helpful information and tips
  • 🚀 Reliable tracking

Room to Improve

  • 🐛 Crashes/glitches
  • 🐛 Inaccurate predictions
  • 🐛 Issues logging data

More Ovulation Calendar apps to explore

4
Flo Cycle & Period Tracker
Flo Cycle & Period Tracker
Flo Cycle & Period Tracker
Ovulation & Pregnancy Calendar
Free

This app helps women track their menstrual cycles, ovulation, and fertility. It offers personalized insights, pregnancy support, and tools for managing perimenopause symptoms, with a focus on data privacy and security.

Period and ovulation trackingFertility and pregnancy supportSymptom and mood logging
💪 Health & Fitness
(1.9M)
free with in-app purchases
5
Glow Ovulation & Period App
Glow Ovulation & Period App
Glow Ovulation & Period App
FDA Listed Fertility Tracker
Free

Track your menstrual cycle, ovulation, and fertility signs with personalized insights. Improve your chances of getting pregnant and better understand your body. Connect with a supportive community for advice and shared experiences.

Menstrual cycle trackingOvulation predictionFertility sign tracking
💪 Health & Fitness
(74K)
freemium
6
Cycle Tracker & Period: Cycles
Cycle Tracker & Period: Cycles
Cycle Tracker & Period: Cycles
Fertility & Ovulation App
Free

Track your menstrual cycle, fertility, and ovulation with ease. Log observations, predict fertile days, and manage irregular periods. Offers partner connection and detailed insights for better reproductive health management.

Cycle tracking at a glanceLog body and mood observationsFertile day predictions
💪 Health & Fitness
(26K)
freemium
7
Clue Period & Cycle Tracker
Clue Period & Cycle Tracker
Clue Period & Cycle Tracker
Ovulation & Fertility Calendar
Free

This app helps women and people with cycles understand their bodies through period tracking, fertility predictions, and health insights. It offers personalized forecasts, tracks over 100 experiences, and provides science-based content. Connect wearables for advanced health analysis.

Personalized period predictionsTrack 100+ cycle-related experiencesFertility and ovulation calculator
💪 Health & Fitness
(399K)
free with in-app purchases
8
Ovia Cycle & Pregnancy Tracker
Ovia Cycle & Pregnancy Tracker
Ovia Cycle & Pregnancy Tracker
Fertility, Ovulation, & Period
Free

Track your menstrual cycle, fertility, pregnancy, postpartum recovery, and menopause with personalized insights and expert articles. This app offers tools for ovulation prediction, baby growth tracking, and symptom management.

Period & Fertility calendarPregnancy tracker with baby growthPostpartum recovery modes
🏥 Medical
(89K)
free with in-app purchases
9
Ovulation & Fertility Tracker
Ovulation & Fertility Tracker
Ovulation & Fertility Tracker
Track Menstrual Period & Cycle
Free

This app helps users track their menstrual cycles, predict ovulation dates, and identify fertile windows to increase chances of conception. It offers a user-friendly interface to input cycle details and provides reminders for periods and ovulation.

Ovulation calendarFertility predictionPeriod and ovulation reminders
💪 Health & Fitness
(2.7K)
subscription
10
My Cycle ؜
My Cycle ؜
My Cycle ؜
Ovulation & Period Tracker
Free

Easily track your menstrual cycles and ovulation dates. Get timely reminders for your next period and identify your most fertile days for conception. This app also serves as a personal journal to log symptoms, mood changes, and other important events.

Period trackingOvulation predictionFertility window identification
💪 Health & Fitness
(72K)
free
11
Period Tracker and Calendar
Period Tracker and Calendar
Period Tracker and Calendar
Track your Cycle & Ovulation
Free

This app helps users track their menstrual cycle, including ovulation, fertility, and periods. It offers discreet reminders, detailed symptom logging, and personalized insights for better health management and planning. The app also includes features for birth control pill reminders and perimenopause tracking.

Track periods, ovulation, and fertilityLog symptoms, moods, and flowBirth control pill reminders
💪 Health & Fitness
(53K)
free with in-app purchases
12
Natural Cycles Fertility App
Natural Cycles Fertility App
Natural Cycles Fertility App
Decode your hormonal health
Free

This app helps women track their hormonal health and fertility using body temperature data. It offers hormone-free contraception, pregnancy planning, and insights into various cycle stages. It adapts to individual cycles, even irregular ones, providing daily fertility status.

Hormone-free contraceptionOvulation tracking via temperaturePersonalized cycle adaptation
💪 Health & Fitness
(29K)
subscription
13
Femometer Fertility Tracker
Femometer Fertility Tracker
Femometer Fertility Tracker
Ovulation & Period Calendar
Free

This app helps women track their menstrual cycles, predict ovulation, and monitor fertility. It records period dates, symptoms, and test results to provide personalized insights and increase conception rates. It also supports users throughout pregnancy with tracking and educational resources.

Period and PMS trackingOvulation and fertile window predictionBasal Body Temperature (BBT) charting
💪 Health & Fitness
(70K)
free with in-app purchases
14
Life - Period Tracker Calendar
Life - Period Tracker Calendar
Life - Period Tracker Calendar
My menstrual ovulation cycle
Free

Track your menstrual cycle, predict ovulation, and log symptoms, moods, and health data. Offers extensive customization and privacy protection, with optional premium features for deeper health insights and sharing.

Period trackingOvulation predictionCycle reminders
💪 Health & Fitness
(63K)
freemium
15
Period Tracker by GP Apps
Period Tracker by GP Apps
Period Tracker by GP Apps
Women’s Health Diary
Free

Easily track your menstrual cycles, predict future periods, and monitor fertility. Log symptoms, moods, and weight with detailed charts and customizable notes. Includes advanced modes for trying to conceive and pregnancy tracking, with privacy features and data backup.

Period cycle tracking and predictionFertility and ovulation trackingSymptom and mood logging
💪 Health & Fitness
(74K)
freemium
16
Period Tracker & Ovulation App
Period Tracker & Ovulation App
Period Tracker & Ovulation App
Health & Pregnancy Control
Free

This app helps women track their menstrual cycles, predict ovulation, and monitor fertility. It offers personalized calendars, symptom tracking, and mood logging for better health insights. Receive timely reminders and access valuable health information to understand and care for your body.

Menstrual cycle trackingOvulation and fertility predictionSymptom and mood logging
💪 Health & Fitness
(3.4K)
free with in-app purchases
17
IVY Period & Pregnancy Tracker
IVY Period & Pregnancy Tracker
IVY Period & Pregnancy Tracker
Health & Cycle Calendar
Free

Track your menstrual cycle, ovulation, and pregnancy with advanced AI and expert insights. This app offers secure data storage, personalized health recommendations, and detailed reporting for informed reproductive health decisions.

Period and cycle trackingOvulation and fertile window predictionPregnancy and postpartum support
💪 Health & Fitness
(68K)
free with in-app purchases
18
Period Tracker - Menstrual & Ovulation Calendar
Period Tracker - Menstrual & Ovulation Calendar
Period Tracker - Menstrual & Ovulation Calendar
by BHI Technologies, Inc.
Free

This app helps users track their menstrual cycles, predict fertile and ovulation days, and log symptoms and moods. It offers smart cycle calculations and a pregnancy mode to assist with conception or avoidance. Features include passcode protection, data backup, and elegant design.

Track and predict period, fertile, and ovulation daysLog symptoms and moodsPregnancy mode
💪 Health & Fitness
(269)
free with in-app purchases
19
Period & Ovulation Calculator
Period & Ovulation Calculator
Period & Ovulation Calculator
Fertility Tracker & Calendar
Free

This app helps users track their menstrual cycles, predict ovulation dates, and identify fertile windows. It also assists in calculating pregnancy test dates and expected labor dates, offering a comprehensive tool for family planning and fertility awareness.

Track period datesPredict ovulation datesIdentify fertile days
💪 Health & Fitness
(480)
free with in-app purchases
20
Fertility Friend FF Tracker
Fertility Friend FF Tracker
Fertility Friend FF Tracker
Período Fértil e Ciclo
Free

This app helps women track their ovulation and fertile days with advanced charting tools. It provides personalized insights into your cycle, helping you understand your fertility signs and maximize your chances of conception. Millions of women trust it for accurate cycle analysis and pregnancy tracking.

Ovulation detectionFertile window predictionBBT and cervical fluid tracking
💪 Health & Fitness
(7.3K)
freemium

FAQ about Ovulation Calendar

What are the best ovulation calendar apps for iPhone?
Period Tracker Period Calendar tops our ovulation calendar apps ranking as of June 2026, with a 4.9-star average from 171K App Store ratings, and it's free to download.
Yes — 20 of the top ovulation calendar apps we rank are free to download, including Period Tracker Period Calendar and Premom-Ovulation Tracker, PCOS.
Period Tracker Period Calendar shows ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 210+ ovulation calendar apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
This app functions as a comprehensive tracker for menstrual cycles, ovulation, and pregnancy. It provides accurate predictions for period start and end dates, helps identify fertile windows, and offers week-by-week pregnancy development tracking. It also includes reminders for birth control and medications, symptom logging, and personalized health advice.
The app prioritizes user privacy by not requiring an account and keeping all data 100% on the user's device. Data is never uploaded or shared with third parties. Users can delete all their data with a single tap, ensuring full privacy protection.

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