Best Ovulation Predictor Apps

244+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated August 2026

Every iPhone needs a few good ovulation predictor apps. We benchmark 244+ 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 Predictor Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Ovulation Calculator Fertile Tracker & Calendar OCOvulation Calculator Fertile Tracker & Calendar OCFree4.6★ (5.9K)NoNoAug 2026
2Cycles: Period & Cycle TrackerCycles: Period & Cycle TrackerFree4.7★ (27K)NoYesAug 2026
3Glow Ovulation & Period AppGlow Ovulation & Period AppFree4.7★ (75K)YesYesAug 2026
4Premom-Ovulation Tracker, PCOSPremom-Ovulation Tracker, PCOSFree4.8★ (59K)NoYesAug 2026
5Ovia Cycle & Pregnancy TrackerOvia Cycle & Pregnancy TrackerFree4.8★ (90K)NoNoAug 2026
6Ovulation PredictorOvulation PredictorFree1.0★ (1)NoYesMay 2026
7Musa: Period & PregnancyMusa: Period & PregnancyFree4.8★ (11K)YesYesAug 2026
8OvuSense: Ovulation TrackerOvuSense: Ovulation TrackerFreeYesNoMay 2026

Top Picks for Ovulation Predictor

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
Cycles: Period & Cycle Tracker#2

Cycles: Period & Cycle Tracker by Perigee

Fertility & Ovulation Calendar
Strong Contender
💪 Health & Fitness
4.7😊(27K ratings)
FreeIn-App Purchases
Cycles: Period & Cycle Tracker screenshot 1
Cycles: Period & Cycle Tracker screenshot 2
Cycles: Period & Cycle Tracker screenshot 3
Cycles: Period & Cycle Tracker screenshot 4
Cycles: Period & Cycle Tracker screenshot 5
Cycles: Period & Cycle Tracker screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 📆 Accurate cycle tracking
  • 🤝 Ability to share with partner
  • 🗓️ Helpful for planning pregnancy

Room to Improve

  • 🐛 Issues with data persistence and syncing
  • 🔧 Confusing interface for editing cycle details
  • 💰 Paid features should be free
Glow Ovulation & Period App#3

Glow Ovulation & Period App by Glow

FDA Listed Fertility Tracker
Worth Considering
💪 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

More Ovulation Predictor 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
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
6
Ovulation Predictor
Ovulation Predictor
Ovulation Predictor
by RAHI PATEL
Free

This app helps women predict their most fertile days and ovulation. It features a calendar view to track cycles, moods, and notes, along with charts for weight and temperature changes. Users input their last period's start and end dates, and average cycle length to generate predictions.

Menstrual cycle trackingFertility predictionOvulation prediction
💪 Health & Fitness
(1)
free with in-app purchases
7
Musa: Period & Pregnancy
Musa: Period & Pregnancy
Musa: Period & Pregnancy
Your Cycle, Your Superpower
Free

This app goes beyond basic period tracking to offer personalized self-care tools and science-backed insights tailored to your menstrual cycle. It helps you understand your body's hormonal fluctuations, build healthy habits, and optimize energy and mood throughout the month. It also includes a pregnancy mode for tracking development and managing symptoms.

Cycle syncing self-care toolsDaily hormonscope insightsGamified wellness with a dragon avatar
💪 Health & Fitness
(11K)
free with in-app purchases
8
OvuSense: Ovulation Tracker
OvuSense: Ovulation Tracker
OvuSense: Ovulation Tracker
Track Period, Cycle & Health
Free
💪 Health & Fitness
(0)
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
KNOWHENLITE2
KNOWHENLITE2
KNOWHENLITE2
Ovulation calendar
Free
🌟 Lifestyle
(0)
11
Stardust Period Tracker
Stardust Period Tracker
Stardust Period Tracker
Track your period & cycle
Free

This health app helps you understand and track your menstrual cycle, ovulation, and pregnancy. It combines scientific data with ancient wisdom and astronomy to provide personalized insights and goal manifestation tools. Features include period predictions, symptom tracking, and lunar synchronicity.

Period and ovulation predictionPregnancy tracking with ARDaily personalized insights
💪 Health & Fitness
(115K)
free with in-app purchases
12
Inito Fertility & Ovulation
Inito Fertility & Ovulation
Inito Fertility & Ovulation
Smartest Ovulation Tracker!
Free

This app tracks fertility and ovulation by measuring four key hormones. It identifies your most fertile days and confirms ovulation, personalizing insights for regular and irregular cycles. Get detailed results and cycle insights with this smart fertility monitor and app.

Tracks 6 fertile daysConfirms ovulationMeasures 4 fertility hormones
💪 Health & Fitness
(4.7K)
free with in-app purchases
13
Ovulation Calculator & Tracker
Ovulation Calculator & Tracker
Ovulation Calculator & Tracker
Ovulation Calculator & Tracker
Free
💪 Health & Fitness
(0)
14
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
15
Period Tracker ⋆
Period Tracker ⋆
Period Tracker ⋆
Period and Ovulation Tracker
Free

This app helps you track your menstrual cycle, predict periods, and monitor ovulation. Log symptoms, moods, and intimate life for personalized insights and receive timely reminders. It offers customizable tracking for irregular cycles and provides fertility period notifications.

Cycle and menstruation forecastingMenses date trackingCustomizable cycle length
💪 Health & Fitness
(23K)
subscription
16
Easy Ovulation - My Fertility
Easy Ovulation - My Fertility
Easy Ovulation - My Fertility
Period Tracker made with Love
Free

This app offers a unique approach to fertility tracking by using daily selfies to estimate your fertile window. It leverages advanced iPhone camera technology to detect subtle facial changes associated with ovulation, aiming for approximately 70% accuracy. It is not intended for use as a contraceptive.

Ovulation estimation via selfiesFacial change detectionFertile window prediction
💪 Health & Fitness
(3)
free with in-app purchases
17
Fertilemate
Fertilemate
Fertilemate
by CS Leaflabs SDN BHD
Free

This app helps individuals and couples track their fertility and understand their menstrual cycles. It provides tools and insights to support the journey to parenthood and make informed decisions about reproductive health.

Fertility trackingMenstrual cycle understandingParenthood journey support
💪 Health & Fitness
(0)
free
18
Ovulation Calc
Ovulation Calc
Ovulation Calc
by Kyriakos Leivadas
Free

Predict your most fertile days to increase your chances of conception. This tool helps determine ovulation timing based on individual menstrual cycles. It is not intended for pregnancy prevention.

Ovulation predictionFertile window identificationMenstrual cycle tracking
💪 Health & Fitness
(1)
free
19
Dusk: Ovulation & TTC Tracker
Dusk: Ovulation & TTC Tracker
Dusk: Ovulation & TTC Tracker
by TACKXEL LTD
Free
💪 Health & Fitness
(0)
20
Ovulation & Period Calculator
Ovulation & Period Calculator
Ovulation & Period Calculator
Pregnancy and Period Tracker
Free
💪 Health & Fitness
(0)

FAQ about Ovulation Predictor

What are the best ovulation predictor apps for iPhone?
Ovulation Calculator Fertile Tracker & Calendar OC tops our ovulation predictor apps ranking as of August 2026, with a 4.6-star average from 5.9K App Store ratings, and it's free to download.
Yes — 20 of the top ovulation predictor apps we rank are free to download, including Ovulation Calculator Fertile Tracker & Calendar OC and Cycles: Period & Cycle Tracker.
Ovulation Calculator Fertile Tracker & Calendar OC has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 244+ ovulation predictor apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The app helps users identify their most fertile days by analyzing their unique menstrual cycle, health, and lifestyle data. It aims to increase the chances of conception by providing accurate predictions and insights into fertility.
Key features include cycle data analysis for predictions, an ovulation calculator, a fertile window viewer, fertility charting, daily insights, a fertility knowledge portal, and access to an online support network for users trying to conceive.

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