Best Basal Body Temperature Tracker Apps

224+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated July 2026

Finding the right basal body temperature tracker app can be overwhelming with so many options. We've analyzed 224+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Basal Body Temperature Tracker

Femometer Fertility Tracker#1

Femometer Fertility Tracker by BONGMI LIMITED

Ovulation & Period Calendar
Editor's Choice
💪 Health & Fitness
4.9😊(70K 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 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
Body Temperature App For Fever#2

Body Temperature App For Fever by AboutMe Apps, Inc.

Thermometer. Checker. Tracker
Strong Contender
🏥 Medical
4.7😞(22K ratings)
FreeIn-App Purchases
#16in Medical
Body Temperature App For Fever screenshot 1
Body Temperature App For Fever screenshot 2
Body Temperature App For Fever screenshot 3
Body Temperature App For Fever screenshot 4
Body Temperature App For Fever screenshot 5
Body Temperature App For Fever screenshot 6

Estimate and track body temperature trends to monitor potential fever symptoms. Log data, export reports for healthcare providers, and monitor family members' temperatures. Includes features like heart rate estimation and symptom tracking.

What We Love

  • ⭐ Accurate temperature readings
  • 📊 Helpful for tracking health symptoms
  • 🔍 Useful when no thermometer is available

Room to Improve

  • 💰 Subscription-based model
  • 🤔 Misleading claims about temperature measurement
  • 🤖 Inaccurate temperature estimates
Natural Cycles Fertility App#3

Natural Cycles Fertility App by NaturalCycles Nordic AB

Decode your hormonal health
Worth Considering
💪 Health & Fitness
4.8😊(29K ratings)
FreeAdsIn-App Purchases
#35in 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 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

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

More Basal Body Temperature Tracker apps to explore

4
Kindara: Fertility Tracker
Kindara: Fertility Tracker
Kindara: Fertility Tracker
Ovulation & fertility tracker
Free

Understand your menstrual cycle and reproductive health with science-backed tools. Track fertility signs, get data-driven predictions, and connect with a supportive community. Ideal for managing fertility, pregnancy planning, or discussing health with your doctor.

Fertility sign tracking (BBT, cervical mucus, etc.)Data-driven fertility and period predictionsCustomizable data fields
🏥 Medical
(9.9K)
freemium
5
Premom-Ovulation Tracker, PCOS
Premom-Ovulation Tracker, PCOS
Premom-Ovulation Tracker, PCOS
Period, Fertility & Pregnancy
Free

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.

Ovulation test scanning and LH level quantificationAutomatic BBT thermometer syncing and chartingPeriod and cycle logging with symptom tracking
💪 Health & Fitness
(57K)
free with in-app purchases
6
Body Temperature & Thermometer
Body Temperature & Thermometer
Body Temperature & Thermometer
Temperature Tracker & Analyzer
Free

Log and analyze your body temperature with detailed symptom tracking. Visualize trends with interactive charts and export your health records. Supports multiple languages for global users.

Body temperature trackingSymptom loggingInteractive charts
🔧 Utilities
(57)
ad-supported
7
Flo Cycle & Period Tracker
Flo Cycle & Period Tracker
Flo Cycle & Period Tracker
Ovulation & Pregnancy Calendar
Free

This app helps women track their menstrual cycles, ovulation, and fertility. It offers personalized insights, pregnancy support, and tools for managing perimenopause symptoms, with a focus on data privacy and security.

Period and ovulation trackingFertility and pregnancy supportSymptom and mood logging
💪 Health & Fitness
(1.9M)
free with in-app purchases
8
Body Temperature Recorder
Body Temperature Recorder
Body Temperature Recorder
Easy input and show graph
Free

Easily record your body temperature and visualize trends with automatic graphing. Track associated symptoms and share your data with healthcare providers or family. Supports multiple users and temperature units.

Record body temperatureAutomatic graphing of temperature trendsSymptom tracking
🏥 Medical
(13K)
free with in-app purchases
9
Oura
Oura
Oura
by Oura Health Oy
Free

This smart ring and companion app provide daily health insights and personalized recommendations based on your body's biometrics. Track sleep, activity, and readiness with actionable guidance to improve overall wellness and understand your body's signals.

Daily Sleep, Activity, and Readiness scoresAccurate biometric tracking (heart rate, temp, SpO2)In-depth sleep analysis and optimization tips
💪 Health & Fitness
(262K)
free
10
Thermometer: Body Temperature
Thermometer: Body Temperature
Thermometer: Body Temperature
Fever & Temperature Checker
Free

Estimate body temperature using your smartphone without a physical thermometer. Track heart rate, blood pressure, and sync with Apple Watch for real-time fever alerts. Log custom health data and generate shareable PDF reports.

Temperature estimation without a thermometerApple Watch Series 8 sync for readingsHigh fever alerts
💪 Health & Fitness
(394)
free with in-app purchases
11
Fever Thermometer | Body Temp
Fever Thermometer | Body Temp
Fever Thermometer | Body Temp
Temperature App for 98.6 Gauge
Free

Easily log and track body temperature for yourself and your family. Record measurements, add notes about health conditions or medications, and view a clear history of your readings. This utility does not require signup or internet access.

Log body temperatureTrack family temperatureAdd notes for health/medication
🏥 Medical
(246)
freemium
12
Fertility Friend FF Tracker
Fertility Friend FF Tracker
Fertility Friend FF Tracker
Ovulation Cycle & Fertile Days
Free

This app helps women track their ovulation and fertile days with advanced charting tools. It provides personalized insights into your cycle, helping you understand your fertility signs and maximize your chances of conception. Millions of women trust it for accurate cycle analysis and pregnancy tracking.

Ovulation detectionFertile window predictionBBT and cervical fluid tracking
💪 Health & Fitness
(7.3K)
freemium
13
Period Tracker Period Calendar
Period Tracker Period Calendar
Period Tracker Period Calendar
Cycle Tracker & Ovulation
Free

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.

Period and ovulation predictionFertility trackingPregnancy mode with week-by-week growth
💪 Health & Fitness
(170K)
free with in-app purchases
14
Tempdrop
Tempdrop
Tempdrop
by Tempdrop Inc
Free

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.

Basal body temperature trackingOvulation pinpointingMenstrual cycle prediction
💪 Health & Fitness
(696)
free with in-app purchases
15
Clue Period & Cycle Tracker
Clue Period & Cycle Tracker
Clue Period & Cycle Tracker
Ovulation & Fertility Calendar
Free

This app helps women and people with cycles understand their bodies through period tracking, fertility predictions, and health insights. It offers personalized forecasts, tracks over 100 experiences, and provides science-based content. Connect wearables for advanced health analysis.

Personalized period predictionsTrack 100+ cycle-related experiencesFertility and ovulation calculator
💪 Health & Fitness
(399K)
free with in-app purchases
16
Wrist Temperature Tracker
Wrist Temperature Tracker
Wrist Temperature Tracker
Watch Temperature & Widgets
Free

Automatically analyzes your cycle, ovulation, and temperature patterns using Apple Watch data. Visualize your cycle phases with intelligent charting and trend insights. Advanced features like cycle overlays and widgets require an in-app purchase.

Automatic cycle detectionOvulation and temperature pattern analysisCycle comparison and overlays
💪 Health & Fitness
(125)
free with in-app purchases
17
Body Temperature & Fever Check
Body Temperature & Fever Check
Body Temperature & Fever Check
My Thermometer: Measure Temp
Free

Estimate and log body temperature using biometric inputs like pulse and respiration. Manually enter readings or use in-app measurements with a subscription. Not for medical use, but provides wellness estimations.

Estimate temperature via pulse and respirationManually enter and save temperature readingsView, edit, and delete historical entries
🔧 Utilities
(0)
free with in-app purchases
18
Body Temperature Tracker – Log
Body Temperature Tracker – Log
Body Temperature Tracker – Log
Easy body temperature tracking
Free

Easily log and manage body temperature records with a calendar and graph view. Track multiple users, perfect for family health monitoring. Offers essential features for simple temperature management.

Body temperature loggingCalendar viewGraph history
🏥 Medical
(14)
free with in-app purchases
19
Temperature Log, BTTracker
Temperature Log, BTTracker
Temperature Log, BTTracker
Body Temperature Tracker
Free

Record and log body temperature data using a simple slider interface. Store your temperature readings in a database for easy tracking and review.

Record body temperature dataSlider interface for inputDatabase storage
💪 Health & Fitness
(40)
ad-supported
20
Glow Ovulation & Period App
Glow Ovulation & Period App
Glow Ovulation & Period App
FDA Listed Fertility Tracker
Free

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.

Menstrual cycle trackingOvulation predictionFertility sign tracking
💪 Health & Fitness
(74K)
freemium

Related searches