Best Fertility Temperature Apps

245+ iOS apps curated and reviewed

3.6 avg rating
19 free apps
Updated September 2026

Whether you're new to fertility temperature or looking for an upgrade, our curated collection of 245+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Fertility Temperature Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Carrot FertilityCarrot FertilityFree4.4★ (18)NoNoJul 2026
2Femometer Fertility TrackerFemometer Fertility TrackerFree4.9★ (70K)NoYesSep 2026
3Natural Cycles: Fertility AppNatural Cycles: Fertility AppFree4.8★ (30K)YesYesSep 2026
4My Fertility ChartsMy Fertility ChartsFree2.3★ (3)NoNoMay 2026
5Basal body temperature : eggysBasal body temperature : eggysFree1.8★ (4)YesNoMay 2026
6Wise Woman: Fertility ChartWise Woman: Fertility ChartFreeNoYesAug 2026
7femSense fertilityfemSense fertilityFree2.4★ (21)YesNoAug 2026
8Madre FertilityMadre FertilityFree5.0★ (2)NoNoSep 2026

Top Picks for Fertility Temperature

Carrot Fertility#1

Carrot Fertility by Carrot Fertility, Inc.

Global Fertility
Editor's Choice
🏥 Medical
4.4(18 ratings)
Free
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Access comprehensive fertility and family-forming benefits through your employer. Get personalized guidance, find trusted providers, and utilize exclusive discounts for various family-building paths.

Femometer Fertility Tracker#2

Femometer Fertility Tracker by Bongmi Global Group

Ovulation & Period Calendar
Strong Contender
💪 Health & Fitness
4.9😊(70K ratings)
FreeIn-App Purchases
Femometer Fertility Tracker screenshot 1
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This app helps women track their menstrual cycles, predict ovulation, and monitor fertility. It records period dates, symptoms, and test results to provide personalized insights and increase conception rates. It also supports users throughout pregnancy with tracking and educational resources.

What We Love

  • 🚀 Reliable and accurate predictions
  • 👍 Customizable and helpful features
  • 💡 Intelligent LH test recognition
  • 👍 Great for tracking cycles and ovulation

Room to Improve

  • 🐛 Syncing and connectivity issues
  • 🔍 Limited fertility factor tracking
  • 💬 Overwhelming community discussions
  • 💰 Paywall for key features
Natural Cycles: Fertility App#3

Natural Cycles: Fertility App by NaturalCycles Nordic AB

Ovulation Tracker・FDA-cleared
Worth Considering
💪 Health & Fitness
4.8😊(30K ratings)
FreeAdsIn-App Purchases
#32in Health & Fitness
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Natural Cycles: Fertility App screenshot 6

This app helps women track their hormonal health and fertility using body temperature data. It offers hormone-free contraception, pregnancy planning, and insights into various cycle stages. It adapts to individual cycles, even irregular ones, providing daily fertility status.

What We Love

  • 👍 Teaches users about their cycle
  • 👍 Helps users understand their body
  • 👍 Provides a natural contraceptive option
  • 👍 Accurate in predicting ovulation and periods
  • 👍 Empowers users to take control of their fertility
  • 👍 Improves mood and reduces side effects compared to hormonal birth control
  • 👍 Useful for both preventing and planning pregnancy
  • 👍 Detailed data and insights about user's cycle

Room to Improve

  • 🐛 Inconsistent in predicting ovulation and periods for some users
  • 🐛 Thermometer issues (loud, hard to read, no Bluetooth connectivity)
  • 🐛 Difficult to use for users with irregular cycles or disrupted sleep schedules
  • 🐛 Lack of customer support responsiveness
  • 🐛 Automatic subscription renewal issues and no refunds
  • 🐛 Algorithm not always accurate, leading to unintended pregnancies
  • 🐛 Cluttered and unintuitive app interface

More Fertility Temperature apps to explore

FAQ about Fertility Temperature

What are the best fertility temperature apps for iPhone?
Carrot Fertility tops our fertility temperature apps ranking as of September 2026, with a 4.4-star average from 18 App Store ratings, and it's free to download.
Yes — 19 of the top fertility temperature apps we rank are free to download, including Carrot Fertility and Femometer Fertility Tracker.
Carrot Fertility has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 245+ fertility temperature apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Carrot Fertility is a platform that provides comprehensive fertility healthcare and family-forming benefits, designed to be accessible and affordable for all. The member app allows users to access these benefits conveniently.
To use the Carrot member app, you must have access to Carrot benefits through your employer. It is designed for individuals navigating fertility health, preservation, and family-building journeys.