Best Basal Body Temperature Apps

197+ iOS apps curated and reviewed

3.9 avg rating
19 free apps
Updated June 2026

Out of 197+ basal body temperature apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Basal Body Temperature

Body Temperature App For Fever#1

Body Temperature App For Fever by AboutMe Apps, Inc.

Thermometer. Checker. Tracker
Editor's Choice
🏥 Medical
4.7😞(22K ratings)
FreeIn-App Purchases
#20in 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
Femometer Fertility Tracker#2

Femometer Fertility Tracker by BONGMI LIMITED

Ovulation & Period Calendar
Strong Contender
💪 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
Thermometer: Body Temperature#3

Thermometer: Body Temperature by 199 Developments Private Limited

Fever & Temperature Checker
Worth Considering
💪 Health & Fitness
4.6😞(394 ratings)
FreeIn-App Purchases
Thermometer: Body Temperature screenshot 1
Thermometer: Body Temperature screenshot 2
Thermometer: Body Temperature screenshot 3
Thermometer: Body Temperature screenshot 4
Thermometer: Body Temperature screenshot 5

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.

What We Love

  • 🚀 Accurate temperature readings
  • 👍 Helpful for tracking health issues
  • 👍 Useful when no thermometer is available
  • 👍 Reliable app with good support

Room to Improve

  • 🐛 Inaccurate temperature readings
  • 💰 Expensive subscription
  • 🤖 Outdated user interface

More Basal Body Temperature apps to explore

4
Natural Cycles Fertility App
Natural Cycles Fertility App
Natural Cycles Fertility App
Decode your hormonal health
Free

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.

Hormone-free contraceptionOvulation tracking via temperaturePersonalized cycle adaptation
💪 Health & Fitness
(29K)
subscription
5
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
6
Body Temperature - HealthTrack
Body Temperature - HealthTrack
Body Temperature - HealthTrack
Sick Tracker, Thermometer
Free

Monitor your body temperature, heart rate, and well-being with this comprehensive health tracking app. It integrates with Apple Health, offers personalized weather-based advice, and provides access to health articles and guided meditations.

Body temperature trackingApple Health integrationHeart rate monitoring via camera
💪 Health & Fitness
(76)
freemium
7
Basal body temperature : eggys
Basal body temperature : eggys
Basal body temperature : eggys
Period tracker
Free

Track your basal body temperature daily to understand your fertility window and predict future cycles. The app offers easy daily recording, visual graphs, and calendar views to help you monitor your health and potential for pregnancy.

Basal body temperature chartingPregnancy chance predictionCalendar view with future dates
💪 Health & Fitness
(4)
ad-supported
8
PregAid
PregAid
PregAid
by Guangdong Biolight Meditech Co., Ltd.
Free

Track basal body temperature to help schedule conception or contraception. This system records BBT data via Bluetooth, generates curves, and automatically marks fertile periods. Understand your menstrual cycle and compare your BBT curves to achieve effective family planning.

Basal body temperature measurementBBT data recordingBluetooth thermometer integration
🏥 Medical
(27)
free
9
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
10
Thermo: Temperature Check In
Thermo: Temperature Check In
Thermo: Temperature Check In
Fever & body health tracker
Free

Easily track family health by logging temperature changes and other vital signs. Create individual profiles to monitor each person's well-being over time with helpful charts and graphs. Set personalized reminders for consistent tracking and utilize voice input for added convenience.

Family health trackingIndividual profilesTemperature logging
💪 Health & Fitness
(96)
freemium
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
Body Temperature Notepad
Body Temperature Notepad
Body Temperature Notepad
Manage daily body temperature
Free
💪 Health & Fitness
(0)
13
Basal Body Temperature Calc.
Basal Body Temperature Calc.
Basal Body Temperature Calc.
by Gianluca Natalini
$0.99

This application helps women track and visualize their basal body temperature over time. The resulting charts can aid in understanding menstrual cycles, identifying fertile periods, and predicting ovulation for family planning.

Daily temperature and health loggingMenstrual cycle trackingFertility phase identification
🏥 Medical
(18)
paid
14
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
15
Body Temperature App
Body Temperature App
Body Temperature App
Body Temperature Log For Fever
Free

This app allows users to log body temperature readings along with associated symptoms like cough or body pain. It facilitates easy sharing of this data with healthcare providers via email. The application supports managing records for multiple individuals and integrates with Apple's Health App.

Log body temperature readingsRecord associated symptomsShare data via email
🏥 Medical
(450)
free with in-app purchases
16
Body Temperature Fever Log
Body Temperature Fever Log
Body Temperature Fever Log
Track symptoms & meds history
Free

This app acts as a family health station, allowing you to log temperature, vital signs, symptoms, and medications. It provides interactive charts and reminders to help manage health for all family members. Syncs with Apple Health for comprehensive tracking.

Temperature tracking with chartsMedication and pill remindersVital signs monitoring (SpO2, Heart Rate, Resp. Rate)
🏥 Medical
(7)
free with in-app purchases
17
Body Temperature Tracer
Body Temperature Tracer
Body Temperature Tracer
Analyse & monitor Temperature
Free

Easily record and visualize your body temperature trends. This tool helps you monitor your health and that of your family or patients through graphical representations. Remember, this app's measurements are for recommendation only and not for medical diagnosis.

Record body temperatureGenerate graphical representationsMonitor family health
💪 Health & Fitness
(33)
ad-supported
18
Thermometer Body Temp
Thermometer Body Temp
Thermometer Body Temp
Temperature monitor & check
Free

Easily track and analyze your body temperature readings on your iOS device. Record measurements in Celsius or Fahrenheit, add notes about symptoms, and generate shareable reports for healthcare professionals. The app offers cloud storage, multiple profiles, and helpful reminders.

Record temperature in Celsius and FahrenheitAdd notes and symptom dataCloud storage and multi-device access
🏥 Medical
(309)
free with in-app purchases
19
Body Temperature App
Body Temperature App
Body Temperature App
Record body temperature
Free

Easily record and track your daily body temperature measurements. This simple app helps you monitor your health over time by visualizing your temperature data. Requires an external thermometer for recording.

Record body temperatureDaily trackingView statistics over time
🏥 Medical
(210)
ad-supported
20
Fever Track: Body Thermometer
Fever Track: Body Thermometer
Fever Track: Body Thermometer
Temperature Checker & Tracker
Free

Monitor your health with this app, which allows you to log body temperature, symptoms, and mood. It provides calendar views, statistics, and reminders to help you track your well-being and identify health trends.

Manual temperature logging (°C/°F)Symptom and mood trackingCalendar and historical views
💪 Health & Fitness
(13)
free with in-app purchases