Best Free Ovulation Calculator Apps

249+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated September 2026

With an average user rating of 4.2★, the free ovulation calculator category is one of the App Store's strongest. Browse all 249+ apps we track, sorted so the most loved ones surface first.

Compare top Free Ovulation Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1My Cycle ؜My Cycle ؜Free4.8★ (94K)NoNoSep 2026
2Ovulation Calculator Fertile Tracker & Calendar OCOvulation Calculator Fertile Tracker & Calendar OCFree4.6★ (5.9K)NoNoSep 2026
3Glow Ovulation & Period AppGlow Ovulation & Period AppFree4.7★ (75K)YesYesSep 2026
4Premom-Ovulation Tracker, PCOSPremom-Ovulation Tracker, PCOSFree4.8★ (59K)NoYesSep 2026
5Ovulation Calculator & TrackerOvulation Calculator & TrackerFreeNoYesMay 2026
6Ovulation & Period CalculatorOvulation & Period CalculatorFreeYesNoMay 2026
7Ovia Cycle & Pregnancy TrackerOvia Cycle & Pregnancy TrackerFree4.8★ (90K)NoNoSep 2026
8Ovulation: Period CalculatorOvulation: Period CalculatorFreeYesYesJul 2026

Top Picks for Free Ovulation Calculator

My Cycle ؜#1

My Cycle ؜ by Aleksei Neiman

Ovulation & Period Tracker
Editor's Choice
💪 Health & Fitness
4.8😊(94K ratings)
Free
My Cycle ؜ screenshot 1
My Cycle ؜ screenshot 2
My Cycle ؜ screenshot 3
My Cycle ؜ screenshot 4

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.

What We Love

  • 👍 Easy to use
  • 🚀 Accurate period predictions
  • 💕 Helpful for tracking cycles
  • 🆓 Completely free app
  • 🎨 Customizable themes
  • 📝 Ability to log symptoms and notes

Room to Improve

  • 🐛 Occasional glitches or data loss
  • 🔍 Limited customization options
  • ⚠️ Inaccurate predictions for some users
  • 📆 Can't edit past cycle data
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
  • 👍 Informative
  • 🚀 Worked first try
  • 👍 Comprehensive
  • 👍 Detailed
  • 🚀 Helped get pregnant
  • 👍 Great resource

Room to Improve

  • 🐛 Crashes/glitches
  • 🐛 Inaccurate predictions
  • 🐛 Issues logging data
  • 🐛 Difficult to edit information
  • 🐛 Compatibility issues
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
  • 🔍 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

More Free Ovulation Calculator apps to explore

FAQ about Free Ovulation Calculator

What are the best free ovulation calculator apps for iPhone?
My Cycle ؜ tops our free ovulation calculator apps ranking as of September 2026, with a 4.8-star average from 94K App Store ratings, and it's free to download.
My Cycle ؜ has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 249+ free ovulation calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
My Cycle is an application designed to help you monitor your menstrual cycles. It provides reminders for the start of your next period and identifies your most fertile days if you are trying to conceive. The app also functions as a personal journal for logging symptoms and mood changes.
Key features include accurate period tracking, ovulation prediction, and identification of fertility windows. Users can receive timely reminders for upcoming periods and utilize the app as a personal journal to record menses, symptoms, mood changes, and other relevant events.