Best Ovulation Calculator App

230+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated August 2026

From beginner-friendly picks to power-user tools, our ovulation calculator app list covers 230+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.

Compare top Ovulation Calculator App (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Ovulation Calculator AppOvulation Calculator AppFree5.0★ (1)NoNoMay 2026
2Glow Ovulation & Period AppGlow Ovulation & Period AppFree4.7★ (75K)YesYesAug 2026
3Inito Fertility & OvulationInito Fertility & OvulationFree4.9★ (4.7K)NoNoAug 2026
4Ovulation Calculator Fertile Tracker & Calendar OCOvulation Calculator Fertile Tracker & Calendar OCFree4.6★ (5.9K)NoNoAug 2026
5Ovia Cycle & Pregnancy TrackerOvia Cycle & Pregnancy TrackerFree4.8★ (90K)NoNoAug 2026
6MyDays XMyDays XFree3.2★ (756)YesYesAug 2026
7My Cycle ؜My Cycle ؜Free4.8★ (93K)NoNoAug 2026
8Premom-Ovulation Tracker, PCOSPremom-Ovulation Tracker, PCOSFree4.8★ (59K)NoYesAug 2026

Top Picks for Ovulation Calculator App

Ovulation Calculator App#1

Ovulation Calculator App by ViralMD

Editor's Choice
🏥 Medical
5.0(1 ratings)
Free
Ovulation Calculator App screenshot 1
Ovulation Calculator App screenshot 2

This fertility companion helps women track their cycles to understand their fertile window. Input your last period date and cycle length to calculate ovulation and identify optimal times for conception or avoidance.

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
Inito Fertility & Ovulation#3

Inito Fertility & Ovulation by Samplytics

Smartest Ovulation Tracker!
Worth Considering
💪 Health & Fitness
4.9😊(4.7K ratings)
Free
Inito Fertility & Ovulation screenshot 1
Inito Fertility & Ovulation screenshot 2
Inito Fertility & Ovulation screenshot 3
Inito Fertility & Ovulation screenshot 4
Inito Fertility & Ovulation screenshot 5
Inito Fertility & Ovulation screenshot 6

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.

What We Love

  • 👍 Easy to use
  • 🚀 Accurate tracking
  • 💡 Provides valuable insights
  • 🎉 Helped with conception

Room to Improve

  • 💰 Expensive test strips
  • 🕰️ Long testing time
  • 🔌 Requires phone connection

More Ovulation Calculator App apps to explore

4
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
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
MyDays X
MyDays X
MyDays X
Period & Ovulation Calendar
Free

This app helps women track their menstrual cycles, predict fertile days, and monitor various health symptoms. It offers intelligent notifications, a community chat, and detailed tracking options for a comprehensive overview of reproductive health.

Period and ovulation predictionFertile day trackingSymptom and mood logging
🌟 Lifestyle
(756)
free with in-app purchases
7
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
8
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
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
Glow Eve Period Tracker
Glow Eve Period Tracker
Glow Eve Period Tracker
Ovulation & Flow App
Free

This app helps women track their menstrual cycles, predict periods and ovulation, and log moods and symptoms. It offers insights into health trends and a supportive community for discussing sexual health.

Period and ovulation predictionMood and symptom loggingHealth data visualization
💪 Health & Fitness
(114K)
freemium
11
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
12
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
13
Mira Fertility & Cycle Tracker
Mira Fertility & Cycle Tracker
Mira Fertility & Cycle Tracker
Fertility tracking & analysis
Free

This app uses AI to track your menstrual cycles and analyze hormonal data for fertility insights. It helps you understand your reproductive health, predict ovulation, and make informed decisions about your body. Access expert resources and personalized tips to optimize your fertility journey.

AI-powered cycle trackingHormonal data analysisFertility prediction
💪 Health & Fitness
(2.6K)
free
14
Ovulation: Period Calculator
Ovulation: Period Calculator
Ovulation: Period Calculator
Fertility & Pregnancy Calendar
Free
💪 Health & Fitness
(0)
15
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
16
Pregmate Ovulation Tracker
Pregmate Ovulation Tracker
Pregmate Ovulation Tracker
Period • Fertility Test Reader
Free

Easily track ovulation, predict fertile days, and understand your cycle. Scan test strips with your phone's camera for automatic analysis. Get personalized insights and reminders to maximize your chances of conception.

Accurate ovulation predictionsTest strip reader with auto-detectionPersonalized fertility window tracking
💪 Health & Fitness
(12K)
free with in-app purchases
17
Trying to conceive Tracker app
Trying to conceive Tracker app
Trying to conceive Tracker app
Period calendar — Get pregnant
Free

This app helps users track their menstrual cycle, ovulation, and related symptoms. It provides data-driven predictions to assist those trying to conceive.

Ovulation calculator and calendarCustomizable period and health trackerSymptom and mood tracking
🏥 Medical
(1.6K)
free with in-app purchases
18
Ovulation calculator (cycle)
Ovulation calculator (cycle)
Ovulation calculator (cycle)
( menstrual cycle )
Free

This app helps users track their menstrual cycle to predict ovulation and fertile days. By inputting the start and end dates of the last period, users can estimate their ovulation day and potential pregnancy window.

Menstrual cycle trackingOvulation day calculationFertile window prediction
🏥 Medical
(2)
ad-supported
19
Obstetrics Calculator
Obstetrics Calculator
Obstetrics Calculator
by Alexander Snegirev
Free

This medical app provides a comprehensive suite of tools for calculating gestational age, estimated due dates, and various risk assessments related to pregnancy and women's health. It includes calculators for maternity leave, cervical assessments, and cancer risk estimations, designed for healthcare professionals.

Gestational age and due date calculationMultiple calculation methods (LMP, ultrasound, IVF)Maternity leave timeframe estimation
🏥 Medical
(1)
free with in-app purchases
20
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

FAQ about Ovulation Calculator App

What is the best ovulation calculator app for iPhone?
Ovulation Calculator App tops our ovulation calculator app ranking as of August 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 20 of the top ovulation calculator app we rank are free to download, including Ovulation Calculator App and Glow Ovulation & Period App.
Ovulation Calculator App has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 230+ ovulation calculator app on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
To use Ovulation Calculator, simply input the date of your last period and the length of your cycle into the designated fields. Press the calculate button, and the app will provide your fertility window.
Ovulation Calculator requires two key pieces of information: the date of your last menstrual period and the typical length of your menstrual cycle. This data is used to perform the calculations.