Best Fertility Thermometer Apps

242+ iOS apps curated and reviewed

3.9 avg rating
19 free apps
Updated September 2026

Whether you're new to fertility thermometer or looking for an upgrade, our curated collection of 242+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Fertility Thermometer Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1TempdropTempdropFree4.2★ (705)NoYesAug 2026
2femSense fertilityfemSense fertilityFree2.4★ (21)YesNoAug 2026
3MOON FertilityMOON FertilityFree1.0★ (1)NoNoMay 2026
4PeakDay Fertility Tracker AppPeakDay Fertility Tracker AppFree2.9★ (25)YesYesJul 2026
5Mira Fertility & Cycle TrackerMira Fertility & Cycle TrackerFree4.7★ (2.6K)NoNoSep 2026
6Kindara: Fertility TrackerKindara: Fertility TrackerFree4.7★ (10K)NoYesSep 2026
7Wise Woman: Fertility ChartWise Woman: Fertility ChartFreeNoYesAug 2026
8Inito Fertility MonitorInito Fertility MonitorFree4.9★ (4.8K)NoNoSep 2026

Top Picks for Fertility Thermometer

Tempdrop#1

Tempdrop by Tempdrop Inc

Editor's Choice
💪 Health & Fitness
4.2😐(705 ratings)
FreeIn-App Purchases
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This app works with a specialized thermometer to track subtle overnight temperature changes. It helps identify hormonal fluctuations throughout the menstrual cycle, pinpoint ovulation, and predict cycle phases. The data supports fertility awareness and cycle tracking.

What We Love

  • 🚀 Convenient and easy to use
  • 🚀 Accurate temperature tracking
  • 👍 Helpful for fertility awareness and family planning
  • 👍 Empowering for understanding one's body
  • 👍 Useful for tracking hormonal fluctuations

Room to Improve

  • 🐛 Issues with app syncing and functionality
  • 🔍 Limited symptom and data tracking options
  • 💰 Expensive device and subscription model
  • 👎 Poor customer service and support
  • 👎 Unreliable hardware and short device lifespan
femSense fertility#2

femSense fertility by SteadySense GmbH

Hormone-free Family Planning
Strong Contender
💪 Health & Fitness
2.4(21 ratings)
Free
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This app helps users understand their menstrual cycle and fertility. It can be used to plan a pregnancy by identifying fertile days or as a free period calendar to track cycles and symptoms. It works with a smart sensor patch or as a standalone cycle tracker.

MOON Fertility#3

MOON Fertility by Daralabs

Worth Considering
💪 Health & Fitness
1.0(1 ratings)
Free
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This app helps you understand your fertile window using body temperature data. Track your cycles daily and gain insights into your personal fertility patterns over time.

More Fertility Thermometer apps to explore

FAQ about Fertility Thermometer

What are the best fertility thermometer apps for iPhone?
Tempdrop tops our fertility thermometer apps ranking as of September 2026, with a 4.2-star average from 705 App Store ratings, and it's free to download.
Yes — 19 of the top fertility thermometer apps we rank are free to download, including Tempdrop and femSense fertility.
Tempdrop has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 242+ fertility thermometer apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The Tempdrop app works with the Tempdrop thermometer to record minute temperature variations throughout the night. This data helps users pinpoint their basal body temperature, understand hormonal fluctuations, and track or predict their menstrual cycle phases, including ovulation.
By accurately measuring basal body temperature overnight, the app identifies subtle shifts that correlate with hormonal changes during the menstrual cycle. This allows users to pinpoint ovulation and gain insights into their fertile window, supporting fertility awareness methods.