Best Fertility Calendar Apps

245+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated August 2026

The best fertility calendar apps on iPhone average 4.4★ across 245+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Fertility Calendar Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Period Tracker Period CalendarPeriod Tracker Period CalendarFree4.9★ (173K)YesYesAug 2026
2Glow Ovulation & Period AppGlow Ovulation & Period AppFree4.7★ (75K)YesYesAug 2026
3Premom-Ovulation Tracker, PCOSPremom-Ovulation Tracker, PCOSFree4.8★ (59K)NoYesAug 2026
4Ovia Cycle & Pregnancy TrackerOvia Cycle & Pregnancy TrackerFree4.8★ (90K)NoNoAug 2026
5Flo Cycle & Period TrackerFlo Cycle & Period TrackerFree4.7★ (1.9M)NoYesAug 2026
6Ovulation Calendar: Period LogOvulation Calendar: Period LogFree4.4★ (16)YesYesAug 2026
7MaybeBaby fertility& pregnancy monthly calendarMaybeBaby fertility& pregnancy monthly calendarFree1.0★ (1)NoYesJul 2026
8Menstrual Calendar FMCMenstrual Calendar FMCFree4.6★ (193)NoNoAug 2026

Top Picks for Fertility 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
#38in 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
Glow Ovulation & Period App#2

Glow Ovulation & Period App by Glow

FDA Listed Fertility Tracker
Strong Contender
💪 Health & Fitness
4.7😐(75K ratings)
FreeAdsIn-App Purchases
Glow Ovulation & Period App screenshot 1
Glow Ovulation & Period App screenshot 2
Glow Ovulation & Period App screenshot 3
Glow Ovulation & Period App screenshot 4
Glow Ovulation & Period App screenshot 5
Glow Ovulation & Period App screenshot 6

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.

What We Love

  • 🚀 Accurate period and ovulation tracking
  • 👍 Helpful community and support
  • 📊 Detailed cycle analysis and insights
  • 🤰 Useful for trying to conceive

Room to Improve

  • 💬 Overwhelming community with rude/toxic comments
  • 📢 Excessive ads and push for premium subscription
  • 🤯 Cluttered and confusing UI after updates
Premom-Ovulation Tracker, PCOS#3

Premom-Ovulation Tracker, PCOS by Easy Healthcare Corporation

Fertility, Period & Pregnancy
Worth Considering
💪 Health & Fitness
4.8😊(59K ratings)
FreeIn-App Purchases
#58in 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

More Fertility Calendar apps to explore

4
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
(90K)
free with in-app purchases
5
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
6
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
7
MaybeBaby fertility& pregnancy monthly calendar
MaybeBaby fertility& pregnancy monthly calendar
MaybeBaby fertility& pregnancy monthly calendar
by Plentouz Apps Development Pty Ltd
Free

This app helps women track their menstrual cycles to identify fertile days for conception or avoidance. It uses scientific research to predict ovulation, period dates, and the likelihood of conceiving a specific gender.

Fertile window predictionOvulation day trackingPeriod prediction
🏥 Medical
(1)
free with in-app purchases
8
Menstrual Calendar FMC
Menstrual Calendar FMC
Menstrual Calendar FMC
Period Tracker, Fertile Days
Free

This app helps you track your menstrual cycle, predict periods and fertile days, and record wellness data. It offers customizable tracking, discreet notifications, and privacy features for personal cycle management.

Period and flow recordingMood and wellness trackingFertility sign logging
💪 Health & Fitness
(193)
free
9
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
10
Period Tracker - MoodSwings
Period Tracker - MoodSwings
Period Tracker - MoodSwings
Cycle Calendar, Mood & Symptom
Free

Track your menstrual cycle, moods, and symptoms with personalized insights. Share a simplified view with your partner to stay synchronized. Offers phase-aware wellness suggestions and fertility tracking.

Accurate cycle and fertile window predictionsDaily mood, energy, and symptom loggingOptional partner sharing of cycle phase and mood
💪 Health & Fitness
(6)
freemium
11
Fertility: Period Tracker
Fertility: Period Tracker
Fertility: Period Tracker
Period Tracker: Ovulation
Free
💪 Health & Fitness
(0)
12
BabySteps Calendar
BabySteps Calendar
BabySteps Calendar
Track Fertility & Ovulation
Free
💪 Health & Fitness
(0)
13
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
14
PeakDay Fertility Tracker App
PeakDay Fertility Tracker App
PeakDay Fertility Tracker App
Period and Pregnancy Calendar
Free

This app helps track menstrual cycles and fertility signs to predict ovulation and peak fertility days. It supports natural family planning and offers community support and educational resources for enhanced fertility awareness.

Period and ovulation chartingNatural family planning supportSympto-Thermal method compatibility
💪 Health & Fitness
(25)
free with in-app purchases
15
Period Tracker Calendar App
Period Tracker Calendar App
Period Tracker Calendar App
Ovulation and Fertility Track
Free

Easily track your menstrual cycle, predict ovulation, and manage fertility days with helpful reminders. This personal health companion is designed for simplicity and accuracy, helping you understand your body better and stay organized.

Track periods easilyPredict ovulation and fertile windowView period history
💪 Health & Fitness
(7)
ad-supported
16
Fertility & Period Tracker
Fertility & Period Tracker
Fertility & Period Tracker
Menstrual & Ovulation Calendar
Free

Track your menstrual cycle and ovulation with a scientifically based fertility calendar. Predict your next period, fertile days, and even explore baby gender prediction methods. Syncs with Apple Health for seamless data management.

Menstrual cycle trackingOvulation predictionFertile window identification
🏥 Medical
(1.7K)
free with in-app purchases
17
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
18
Modern Fertility Tracker
Modern Fertility Tracker
Modern Fertility Tracker
Premom fertility tracker date
Free

Easily track your menstrual cycle, predict your next period, and identify your fertile window. Log symptoms, moods, and receive discreet reminders for ovulation and more. Gain insights into your reproductive health with daily articles and tips.

Period trackingFertility window predictionOvulation day identification
💪 Health & Fitness
(82)
free with in-app purchases
19
Ovulation Calculator Fertile Tracker & Calendar OC
Ovulation Calculator Fertile Tracker & Calendar OC
Ovulation Calculator Fertile Tracker & Calendar OC
by Ovulation Calculator Pty Ltd
Free

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.

Cycle Data Analysis PredictionsOvulation CalculatorFertile Window Viewer
🏥 Medical
(5.9K)
free
20
Period Tracking Calendar
Period Tracking Calendar
Period Tracking Calendar
Cycle, Ovulation & Pregnancy
Free

Easily track your menstrual cycle and predict upcoming periods and fertile days. This app helps you understand your body's natural rhythm for better planning of events and daily life.

Period trackingCycle predictionFertile day prediction
💪 Health & Fitness
(11K)
free with in-app purchases

FAQ about Fertility Calendar

What are the best fertility calendar apps for iPhone?
Period Tracker Period Calendar tops our fertility 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 fertility calendar apps we rank are free to download, including Period Tracker Period Calendar and Glow Ovulation & Period App.
Period Tracker Period Calendar shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 245+ fertility 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.