Best Ovulation Predictor Apps

247+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

Every iPhone needs a few good ovulation predictor apps. We benchmark 247+ 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 (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Ovulation Calculator Fertile Tracker & Calendar OCOvulation Calculator Fertile Tracker & Calendar OCFree4.6★ (5.9K)NoNoSep 2026
2Cycles: Period & Cycle TrackerCycles: Period & Cycle TrackerFree4.7★ (27K)NoYesSep 2026
3Glow Ovulation & Period AppGlow Ovulation & Period AppFree4.7★ (75K)YesYesSep 2026
4Ovia Cycle & Pregnancy TrackerOvia Cycle & Pregnancy TrackerFree4.8★ (90K)NoNoSep 2026
5Premom-Ovulation Tracker, PCOSPremom-Ovulation Tracker, PCOSFree4.8★ (59K)NoYesSep 2026
6Ovulation PredictorOvulation PredictorFree1.0★ (1)NoYesMay 2026
7Musa: Period & PregnancyMusa: Period & PregnancyFree4.8★ (11K)YesYesSep 2026
8Period and Ovulation TrackerPeriod and Ovulation TrackerFree5.0★ (3)NoYesSep 2026

Top Picks for Ovulation Predictor

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
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
  • ✨ Clean and intuitive design
  • 🔍 Detailed symptom logging

Room to Improve

  • 🐛 Issues with data persistence and syncing
  • 🔧 Confusing interface for editing cycle details
  • 💰 Paid features should be free
  • 🤔 Limited customization options
  • 📊 Lack of advanced analytics and insights
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 Ovulation Predictor apps to explore

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 September 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 September 2026.
We track 247+ ovulation predictor apps on the iOS App Store as of September 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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