Best Ovulation Calculator App

233+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our ovulation calculator app list covers 233+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Ovulation Calculator App (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Ovulation Calculator AppOvulation Calculator AppFree5.0★ (1)NoNoMay 2026
2Glow Ovulation & Period AppGlow Ovulation & Period AppFree4.7★ (75K)YesYesSep 2026
3Ovulation & Fertility TrackerOvulation & Fertility TrackerFree4.5★ (2.7K)NoYesSep 2026
4Ovulation Calculator Fertile Tracker & Calendar OCOvulation Calculator Fertile Tracker & Calendar OCFree4.6★ (5.9K)NoNoSep 2026
5Inito Fertility MonitorInito Fertility MonitorFree4.9★ (4.8K)NoNoSep 2026
6Ovia Cycle & Pregnancy TrackerOvia Cycle & Pregnancy TrackerFree4.8★ (90K)NoNoSep 2026
7Premom-Ovulation Tracker, PCOSPremom-Ovulation Tracker, PCOSFree4.8★ (59K)NoYesSep 2026
8MyDays XMyDays XFree3.2★ (756)YesYesSep 2026

Top Picks for Ovulation Calculator App

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
  • 🔍 Convenient OPK strip scanning

Room to Improve

  • 💬 Overwhelming community with rude/toxic comments
  • 📢 Excessive ads and push for premium subscription
  • 🤯 Cluttered and confusing UI after updates
  • 🕰️ Slow performance and syncing issues
  • 🔍 Inaccurate ovulation predictions
Ovulation & Fertility Tracker#3

Ovulation & Fertility Tracker by KHANDAKER RAHMAN

Track Menstrual Period & Cycle
Worth Considering
💪 Health & Fitness
4.5😞(2.7K ratings)
FreeIn-App Purchases
Ovulation & Fertility Tracker screenshot 1
Ovulation & Fertility Tracker screenshot 2
Ovulation & Fertility Tracker screenshot 3
Ovulation & Fertility Tracker screenshot 4
Ovulation & Fertility Tracker screenshot 5
Ovulation & Fertility Tracker screenshot 6

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.

What We Love

  • 👍 Good
  • 👍 Prefect
  • 👍 Nice
  • 👍 Extremely personal and gives a sense of happiness

Room to Improve

  • 🐛 Very annoying app
  • 💸 Overly expensive subscription
  • 🔍 Selling user data
  • 🐛 Doesn't work for irregular cycles
  • 🐛 Glitches with notifications
  • 💸 Paid subscription but never upgraded
  • 💸 Suddenly have to pay to use

More Ovulation Calculator App apps to explore

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 September 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 September 2026.
We track 233+ ovulation calculator app on the iOS App Store as of September 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.