Best Ovulation Calculator & Fertility Tracker Free Apps

0+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated July 2026

Premom is the household name in ovulation calculator & fertility tracker free, but it's far from the only option. We track 0+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Ovulation Calculator & Fertility Tracker Free Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Premom-Ovulation Tracker, PCOSPremom-Ovulation Tracker, PCOSFree4.8★ (59K)NoYesSep 2026
2My Cycle ؜My Cycle ؜Free4.8★ (94K)NoNoSep 2026
3Ovulation Calculator Fertile Tracker & Calendar OCOvulation Calculator Fertile Tracker & Calendar OCFree4.6★ (5.9K)NoNoSep 2026
4Flo Cycle & Period TrackerFlo Cycle & Period TrackerFree4.7★ (2M)NoYesSep 2026
5Glow Ovulation & Period AppGlow Ovulation & Period AppFree4.7★ (75K)YesYesSep 2026
6Ovia Cycle & Pregnancy TrackerOvia Cycle & Pregnancy TrackerFree4.8★ (90K)NoNoSep 2026
7Femometer Fertility TrackerFemometer Fertility TrackerFree4.9★ (70K)NoYesSep 2026
8Period Tracker Period CalendarPeriod Tracker Period CalendarFree4.9★ (173K)YesYesSep 2026

Top Picks for Ovulation Calculator & Fertility Tracker Free

Premom-Ovulation Tracker, PCOS#1

Premom-Ovulation Tracker, PCOS by Easy Healthcare Corporation

Fertility, Period & Pregnancy
Editor's Choice
💪 Health & Fitness
4.8😊(59K ratings)
FreeIn-App Purchases
#44in Health & Fitness
Premom-Ovulation Tracker, PCOS screenshot 1
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Premom-Ovulation Tracker, PCOS screenshot 3
Premom-Ovulation Tracker, PCOS screenshot 4
Premom-Ovulation Tracker, PCOS screenshot 5
Premom-Ovulation Tracker, PCOS screenshot 6

This app helps women track their menstrual cycles, predict ovulation, and monitor fertility to increase chances of conception. It offers personalized insights, expert guidance, and tools like BBT charting and ovulation test scanning. Users can also track pregnancy progress and connect with a supportive community.

What We Love

  • 🚀 Accurate ovulation tracking
  • 👍 Easy to use app
  • 💡 Helpful community support
  • 🚀 Affordable ovulation tests
  • 👍 Detailed cycle analysis
  • 👍 Intuitive interface
  • 🚀 Helped get pregnant quickly

Room to Improve

  • 🐛 Inconsistent data tracking
  • 🐛 Frequent app crashes
  • 🐛 Inaccurate ovulation predictions
  • 🔒 Privacy concerns with data sharing
  • 🔋 Drains battery quickly
  • 🐛 Buggy app updates
My Cycle ؜#2

My Cycle ؜ by Aleksei Neiman

Ovulation & Period Tracker
Strong Contender
💪 Health & Fitness
4.8😊(94K ratings)
Free
My Cycle ؜ screenshot 1
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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
4.6😊(5.9K ratings)
Free
Ovulation Calculator Fertile Tracker & Calendar OC screenshot 1
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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

More Ovulation Calculator & Fertility Tracker Free apps to explore

FAQ about Ovulation Calculator & Fertility Tracker Free

What are the best ovulation calculator & fertility tracker free apps for iPhone?
Premom-Ovulation Tracker, PCOS tops our ovulation calculator & fertility tracker free apps ranking as of July 2026, with a 4.8-star average from 59K App Store ratings, and it's free to download.
Premom-Ovulation Tracker, PCOS has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
The Premom app is an all-in-one period tracker and ovulation app designed to help women understand their cycles, predict fertile windows, and support their journey to conception. It offers tools for tracking ovulation tests, basal body temperature (BBT), and menstrual cycles, along with personalized insights and expert guidance.
Key features include scanning ovulation tests to quantify LH levels, automatic syncing and charting of BBT data with a compatible thermometer, easy period logging with symptom tracking, and a pregnancy mode to monitor progress. The app also offers PCOS AI interpretation, partner invitations, and access to health experts.