Best Ovulation Calendar Apps

249+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated August 2026

Every iPhone needs a few good ovulation calendar apps. We benchmark 249+ 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 (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Period Tracker Period CalendarPeriod Tracker Period CalendarFree4.9★ (173K)YesYesSep 2026
2Ovulation Calculator Fertile Tracker & Calendar OCOvulation Calculator Fertile Tracker & Calendar OCFree4.6★ (5.9K)NoNoAug 2026
3Ovia Cycle & Pregnancy TrackerOvia Cycle & Pregnancy TrackerFree4.8★ (90K)NoNoSep 2026
4Premom-Ovulation Tracker, PCOSPremom-Ovulation Tracker, PCOSFree4.8★ (59K)NoYesSep 2026
5Glow Ovulation & Period AppGlow Ovulation & Period AppFree4.7★ (75K)YesYesSep 2026
6Flo Cycle & Period TrackerFlo Cycle & Period TrackerFree4.7★ (1.9M)NoYesSep 2026
7Cycles: Period & Cycle TrackerCycles: Period & Cycle TrackerFree4.7★ (27K)NoYesSep 2026
8My Cycle ؜My Cycle ؜Free4.8★ (93K)NoNoSep 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😊(173K ratings)
FreeAdsIn-App Purchases
#42in 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
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
Ovia Cycle & Pregnancy Tracker#3

Ovia Cycle & Pregnancy Tracker by Ovuline, Inc.

Fertility, Ovulation, & Period
Worth Considering
🏥 Medical
4.8😊(90K ratings)
Free
Ovia Cycle & Pregnancy Tracker screenshot 1
Ovia Cycle & Pregnancy Tracker screenshot 2
Ovia Cycle & Pregnancy Tracker screenshot 3
Ovia Cycle & Pregnancy Tracker screenshot 4
Ovia Cycle & Pregnancy Tracker screenshot 5
Ovia Cycle & Pregnancy Tracker screenshot 6

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.

What We Love

  • 🚀 Excellent app
  • 👍 Comprehensive tracking
  • 💡 Helpful for TTC
  • 👍 Accurate predictions

Room to Improve

  • 🐛 Glitched/not working
  • 🐛 Inaccurate predictions
  • 💡 Need option to track miscarriage

More Ovulation Calendar apps to explore

4
Premom-Ovulation Tracker, PCOS
Premom-Ovulation Tracker, PCOS
Premom-Ovulation Tracker, PCOS
Fertility, Period & Pregnancy
Free

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.

Ovulation test scanning and LH level quantificationAutomatic BBT thermometer syncing and chartingPeriod and cycle logging with symptom tracking
💪 Health & Fitness
(59K)
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
(75K)
freemium
6
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
7
Cycles: Period & Cycle Tracker
Cycles: Period & Cycle Tracker
Cycles: Period & Cycle Tracker
Fertility & Ovulation Calendar
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
(27K)
freemium
8
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
(93K)
free
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
Ovulation Calendar: Period Log
Ovulation Calendar: Period Log
Ovulation Calendar: Period Log
Women's Health & Fertility
Free

This women's health app tracks menstrual cycles and predicts ovulation and fertile days. It allows users to log symptoms, temperature, and notes, and set medication and appointment reminders. View historical cycle data and back up your information.

Menstrual cycle trackingOvulation and fertility predictionSymptom and temperature logging
💪 Health & Fitness
(16)
free with in-app purchases
11
Hana - Period Calendar
Hana - Period Calendar
Hana - Period Calendar
Ovulation & Fertile Window
Free
💪 Health & Fitness
(0)
12
Period and Ovulation Tracker
Period and Ovulation Tracker
Period and Ovulation Tracker
Cycle & Fertility Calendar
Free

This app helps women track their menstrual cycles, predict ovulation, and manage fertility. It provides notifications for upcoming periods and contraceptive pills, along with a notepad for recording symptoms and early pregnancy signs.

Track menstrual cyclesPredict ovulation and fertility windowsReceive period and pill reminders
💪 Health & Fitness
(3)
subscription
13
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
(402K)
free with in-app purchases
14
My Period Tracker & Ovulation
My Period Tracker & Ovulation
My Period Tracker & Ovulation
by Bavachand Savaliya
Free
💪 Health & Fitness
(0)
15
Ovulation & Period Calculator
Ovulation & Period Calculator
Ovulation & Period Calculator
Pregnancy and Period Tracker
Free
💪 Health & Fitness
(0)
16
BabySteps Calendar
BabySteps Calendar
BabySteps Calendar
Track Fertility & Ovulation
Free
💪 Health & Fitness
(0)
17
Lovesafe Calendar
Lovesafe Calendar
Lovesafe Calendar
Cycle Tracking & Safe Days
Free
💪 Health & Fitness
(0)
18
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
(611)
free with in-app purchases
19
Mensis - Period Tracker with Ovulation Day
Mensis - Period Tracker with Ovulation Day
Mensis - Period Tracker with Ovulation Day
by Artsiom Yanushevich
Free

This app helps women track their menstrual cycles, fertility, and ovulation days. It provides insights into overall health through detailed observations and graphs, assisting those trying to conceive.

Cycle trackingFertility and ovulation predictionConception day identification
💪 Health & Fitness
(1)
free
20
Period Tracker Cycle Ovulation
Period Tracker Cycle Ovulation
Period Tracker Cycle Ovulation
Your Cycle. Your Privacy.
Free
💪 Health & Fitness
(0)

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 August 2026, with a 4.9-star average from 173K 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 Ovulation Calculator Fertile Tracker & Calendar OC.
Period Tracker Period Calendar shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ ovulation calendar apps on the iOS App Store as of August 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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