Best Ovulation Calculator App

230+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated October 2026

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

Compare top Ovulation Calculator App (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Ovulation Calculator AppOvulation Calculator AppFree5.0★ (1)NoNoMay 2026
2Flo Cycle & Period TrackerFlo Cycle & Period TrackerFree4.7★ (2M)NoYesNov 2026
3MyDays XMyDays XFree3.2★ (759)YesYesOct 2026
4Period & Ovulation CalculatorPeriod & Ovulation CalculatorFree4.4★ (635)YesYesNov 2026
5Clearblue Period Cycle TrackerClearblue Period Cycle TrackerFree4.6★ (486)NoNoOct 2026
6Ovulation & Fertility TrackerOvulation & Fertility TrackerFree4.5★ (2.8K)NoYesOct 2026
7Period Tracker - Menstrual & Ovulation CalendarPeriod Tracker - Menstrual & Ovulation CalendarFree4.1★ (276)NoYesOct 2026
8Glow Eve Period TrackerGlow Eve Period TrackerFree4.7★ (114K)YesYesNov 2026

Top Picks for Ovulation Calculator App

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.

Flo Cycle & Period Tracker#2

Flo Cycle & Period Tracker by FLO HEALTH UK LIMITED

Ovulation & Pregnancy Calendar
Strong Contender
💪 Health & Fitness
4.7😐(2M ratings)
FreeIn-App Purchases
#2in Health & Fitness
Flo Cycle & Period Tracker screenshot 1
Flo Cycle & Period Tracker screenshot 2
Flo Cycle & Period Tracker screenshot 3
Flo Cycle & Period Tracker screenshot 4
Flo Cycle & Period Tracker screenshot 5
Flo Cycle & Period Tracker screenshot 6

This app helps women track their menstrual cycles, ovulation, and fertility. It offers personalized insights, pregnancy support, and tools for managing perimenopause symptoms, with a focus on data privacy and security.

What We Love

  • 🚀 Accurate period predictions
  • 📊 Helpful insights and information
  • 🤝 Supportive community
  • 🗓️ Useful tracking features
  • 💻 Great app design and interface
  • 🤰 Useful pregnancy mode

Room to Improve

  • 💰 Excessive push for premium subscription
  • 🔒 Privacy concerns around data sharing
  • 🤖 Lack of inclusivity for non-binary users
  • 🚫 Paywall for basic health information
  • 🙄 Annoying notifications and ads
  • 🤔 Inconsistent predictions and tracking
MyDays X#3

MyDays X by Christian Mueller

Period & Ovulation Calendar
Worth Considering
🌟 Lifestyle
3.2😞(759 ratings)
FreeAdsIn-App Purchases
MyDays X screenshot 1
MyDays X screenshot 2
MyDays X screenshot 3
MyDays X screenshot 4
MyDays X screenshot 5
MyDays X screenshot 6

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.

What We Love

  • ⭐ Accurate period and ovulation tracking
  • 📆 Helpful for planning and conceiving
  • 💻 Easy to use and navigate
  • 🗓️ Customizable tracking options
  • 🔍 Detailed history and data insights

Room to Improve

  • 💢 Excessive and intrusive ads
  • ⏱️ Long ad wait times disrupting usage
  • 🐛 Crashes and bugs after updates
  • 🔒 Privacy concerns with location tracking
  • 🔄 Difficulty transferring data to new devices

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 October 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 Flo Cycle & Period Tracker.
Ovulation Calculator App has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 230+ ovulation calculator app on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.