Best Basal Body Temperature Tracker Apps

248+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated November 2026

Finding the right basal body temperature tracker apps can be overwhelming with so many options. We've analyzed 248+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Basal Body Temperature Tracker Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Femometer Fertility TrackerFemometer Fertility TrackerFree4.9★ (71K)NoYesNov 2026
2Body Thermometer - TemperatureBody Thermometer - TemperatureFree3.4★ (9)NoYesOct 2026
3Natural Cycles: Fertility AppNatural Cycles: Fertility AppFree4.8★ (30K)YesYesNov 2026
4Body Temperature App For FeverBody Temperature App For FeverFree4.7★ (22K)NoYesNov 2026
5Temperature Log, BTTrackerTemperature Log, BTTrackerFree4.0★ (41)YesNoOct 2026
6Body Temperature TrackerBody Temperature TrackerFree2.0★ (4)NoYesNov 2026
7OuraOuraFree4.9★ (325K)NoNoNov 2026
8TempdropTempdropFree4.2★ (714)NoYesOct 2026

Top Picks for Basal Body Temperature Tracker

Femometer Fertility Tracker#1

Femometer Fertility Tracker by Bongmi Global Group

Ovulation & Period Calendar
Editor's Choice
💪 Health & Fitness
4.9😊(71K ratings)
FreeIn-App Purchases
Femometer Fertility Tracker screenshot 1
Femometer Fertility Tracker screenshot 2
Femometer Fertility Tracker screenshot 3
Femometer Fertility Tracker screenshot 4
Femometer Fertility Tracker screenshot 5
Femometer Fertility Tracker screenshot 6

This app helps women track their menstrual cycles, predict ovulation, and manage fertility. It uses machine learning to analyze data and provide insights for conception or period prediction. The app also supports tracking pregnancy tests and prenatal details.

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
Body Thermometer - Temperature#2

Body Thermometer - Temperature by Krause Bakker

Health Tracking - Safety Tool
Strong Contender
💪 Health & Fitness
3.4(9 ratings)
FreeIn-App Purchases
Body Thermometer - Temperature screenshot 1
Body Thermometer - Temperature screenshot 2
Body Thermometer - Temperature screenshot 3
Body Thermometer - Temperature screenshot 4

Easily log, track, and understand your body temperature over time. Monitor trends, add notes for symptoms, and set reminders to stay informed about your health. This tool is for informational purposes and not a substitute for professional medical advice.

4.8😊(30K ratings)
FreeAdsIn-App Purchases
#30in Health & Fitness
Natural Cycles: Fertility App screenshot 1
Natural Cycles: Fertility App screenshot 2
Natural Cycles: Fertility App screenshot 3
Natural Cycles: Fertility App screenshot 4
Natural Cycles: Fertility App screenshot 5
Natural Cycles: Fertility App screenshot 6

This app uses your basal body temperature to track ovulation and fertility. It offers non-hormonal birth control, pregnancy planning, and postpartum monitoring. Gain insights into your cycle and health with personalized guidance.

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 Basal Body Temperature Tracker apps to explore

FAQ about Basal Body Temperature Tracker

What are the best basal body temperature tracker apps for iPhone?
Femometer Fertility Tracker tops our basal body temperature tracker apps ranking as of November 2026, with a 4.9-star average from 71K App Store ratings, and it's free to download.
Yes — 20 of the top basal body temperature tracker apps we rank are free to download, including Femometer Fertility Tracker and Body Thermometer - Temperature.
Femometer Fertility Tracker has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 248+ basal body temperature tracker apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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