Best Fertility Calendar Apps

248+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated October 2026

The best fertility calendar apps on iPhone average 4.4★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Fertility Calendar Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Period Tracker Period CalendarPeriod Tracker Period CalendarFree4.9★ (175K)YesYesOct 2026
2Glow Ovulation & Period AppGlow Ovulation & Period AppFree4.7★ (75K)YesYesOct 2026
3Period and Ovulation TrackerPeriod and Ovulation TrackerFree5.0★ (3)NoYesOct 2026
4Ovia Cycle & Pregnancy TrackerOvia Cycle & Pregnancy TrackerFree4.8★ (91K)NoNoOct 2026
5Premom-Ovulation Tracker, PCOSPremom-Ovulation Tracker, PCOSFree4.8★ (61K)NoYesOct 2026
6Menstrual Calendar FMCMenstrual Calendar FMCFree4.6★ (193)NoNoOct 2026
7KNOWHENLITE2KNOWHENLITE2Free—NoNoMay 2026
8July — Cycle & FertilityJuly — Cycle & FertilityFree—NoYesJul 2026

Top Picks for Fertility Calendar

4.9😊(175K ratings)
FreeAdsIn-App Purchases
#42in Health & Fitness
Period Tracker Period Calendar screenshot 1
Period Tracker Period Calendar screenshot 2
Period Tracker Period Calendar screenshot 3
Period Tracker Period Calendar screenshot 4
Period Tracker Period Calendar screenshot 5
Period Tracker Period Calendar screenshot 6

This app helps women track their menstrual cycles, ovulation, and fertility. It offers personalized advice, pregnancy tracking, and reminders for birth control and medication. Your data is kept private and stored locally on your device.

What We Love

  • ⭐ Accurate period tracking
  • 📆 Helpful calendar and diary features
  • 🌟 Customizable themes and pets
  • 🔍 Comprehensive symptom and health tracking
  • 🗓️ Reliable period and ovulation predictions
  • 💻 Seamless cross-device sync and backup
  • 🧠 Useful educational content and tips
  • 🤰 Pregnancy and fertility tracking

Room to Improve

  • 🔍 Unclear symptom definitions
  • 🔔 Intrusive and unskippable ads
  • 🔒 Concerns about data privacy and security
  • 🔢 Inaccurate period and ovulation predictions
  • 🔀 Difficulty in adjusting past cycle data
  • 🔍 Limited customization options
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

More Fertility Calendar apps to explore

FAQ about Fertility Calendar

What are the best fertility calendar apps for iPhone?
Period Tracker Period Calendar tops our fertility calendar apps ranking as of October 2026, with a 4.9-star average from 175K App Store ratings, and it's free to download.
Yes — 19 of the top fertility calendar apps we rank are free to download, including Period Tracker Period Calendar and Glow Ovulation & Period App.
Period Tracker Period Calendar shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 248+ fertility calendar apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.