Best Basal Temperature Apps

209+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated May 2026

With an average user rating of 4.1★, the basal temperature category is one of the App Store's strongest. Browse all 209+ apps we track, sorted so the most loved ones surface first.

Top Picks for Basal 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
#17in Medical
Body Temperature App For Fever screenshot 1
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Body Temperature App For Fever screenshot 6

Track, log, and monitor your body temperature, symptoms, and medications with ease using this app. Stay proactive about your health by keeping an eye on your well-being and sharing your data with healthcare professionals. Download now for free!

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#2

Natural Cycles Fertility App by NaturalCycles Nordic AB

Decode your hormonal health
Strong Contender
💪 Health & Fitness
4.7😊(3.1K ratings)
FreeAdsIn-App Purchases
#32in Health & Fitness
Natural Cycles Fertility App screenshot 1
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A highly effective FDA-cleared contraception app that tracks ovulation based on body temperature, offering hormone-free birth control and personalized fertility insights. It adapts to irregular cycles, provides daily fertility status, and supports natural family planning. Sign up for a subscription for a free thermometer and precise cycle monitoring.

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
Tempdrop#3

Tempdrop by Tempdrop Inc

Worth Considering
💪 Health & Fitness
4.2😐(694 ratings)
FreeIn-App Purchases
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Track and analyze fertility patterns with a personalized thermometer that learns temperature variations to predict ovulation. Note: This is a complementary tool and not a stand-alone fertility monitor. The app requires correct and consistent use for optimal performance.

What We Love

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

Room to Improve

  • 🐛 Issues with app syncing and functionality
  • 🔍 Limited symptom and data tracking options
  • 💰 Expensive device and subscription model

More Basal Temperature apps to explore

4
Femometer Fertility Tracker
Femometer Fertility Tracker
Femometer Fertility Tracker
Ovulation & Period Calendar
Free

Track your cycle and monitor fertility effortlessly with this intuitive app. Stay informed about ovulation periods, track your menstrual cycle, and receive personalized predictions. Start optimizing your chances of conception today.

💪 Health & Fitness
(70K)
5
Wrist Temperature Tracker
Wrist Temperature Tracker
Wrist Temperature Tracker
Watch Temperature & Widgets
Free

Monitor your wrist temperature with ease using this app for Apple Watch 8 and Ultra. Track your nightly temperatures, analyze the data, and view it conveniently on your lock screen widget, normal widget, and complication. View and analyze your wrist temperature data effortlessly - Try it out now!

💪 Health & Fitness
(123)
6
Body Temperature Tracking App
Body Temperature Tracking App
Body Temperature Tracking App
Personal & family temp log
Free

This application helps users track body temperature and other health metrics, such as medication intake and vital signs, using a connected thermometer and other medical devices. It allows users to monitor trends, export reports, and sync data with other health ecosystems, making it a useful tool for personal and family health management.

💪 Health & Fitness
(17)
7
Fever Thermometer | Body Temp
Fever Thermometer | Body Temp
Fever Thermometer | Body Temp
Temperature App for 98.6 Gauge
Free

Track body temperatures for you and your family with an easy-to-use Thermometer Body Temp app. No sign-up or internet needed, just log temperatures and notes, with the option to upgrade for advanced features like temperature tracking and PDF export. Always consult a doctor with your data for medical advice.

🏥 Medical
(246)
8
Thermometer++ App
Thermometer++ App
Thermometer++ App
Temperature and more
Free

An app offering real-time temperature, humidity, and pressure data using AI technology. Users can track weather conditions at their current location or any chosen location with a minimalist design and the option to view Celsius or Fahrenheit degrees. Stay prepared for any weather with this fast and accurate thermometer app!

☀️ Weather
(7K)
9
ThermoWorks
ThermoWorks
ThermoWorks
by ThermoWorks, Inc.
Free

Track temperatures with precision using the redesigned ThermoWorks app. Set temperature alarms, view graphs, and store session data in ThermoWorks Cloud for easy access and review. Compatible with various ThermoWorks Bluetooth and Wi-Fi devices for seamless monitoring.

🔧 Utilities
(15K)
10
FireBoard®
FireBoard®
FireBoard®
by FireBoard Labs, LLC
Free

FireBoard® is a Cloud-Connected Smart Thermometer for remote temperature monitoring in various settings. It supports multiple temperature probes, offers real-time updates via the cloud, and can be easily set up on your wireless network. Explore more at www.fireboard.com.

🔧 Utilities
(4.2K)
11
Temperature Converter
Temperature Converter
Temperature Converter
Celsius Fahrenheit Kelvin
Free

Transform temperatures effortlessly between Celsius, Fahrenheit, and Kelvin with this intuitive application. Experience seamless conversions and precise results with just a few taps. Try it now for quick and accurate temperature calculations!

🔧 Utilities
(6.3K)
12
Thermometer: Body Temperature
Thermometer: Body Temperature
Thermometer: Body Temperature
Fever & Temperature Checker
Free

Track body temperature and fever symptoms easily with this intuitive app. Monitor temperature trends, record symptoms, and set reminders for medication. Stay on top of your health effortlessly.

💪 Health & Fitness
(290)
13
Basal Body Temperature Calc.
Basal Body Temperature Calc.
Basal Body Temperature Calc.
by Gianluca Natalini
$0.99

This application helps women track and understand their basal body temperature to estimate ovulation and identify their fertile period, allowing them to make informed decisions about conception. By logging daily temperature values and other health metrics, users can view fertility status, predict menstrual cycles, and gain insights into their reproductive health.

🏥 Medical
(18)
14
iThermonitor
iThermonitor
iThermonitor
by Raiing Medical Company
Free

Experience the most advanced features in temperature monitoring with this app update. It now includes detailed temperature analysis, trend charts, and support for multiple sensors. Get real-time alerts for high temperatures and access expert fever management tips. Start monitoring 24/7 for a better understanding of your child's health.

🏥 Medical
(291)
15
Fahrenheit Celsius Calculator
Fahrenheit Celsius Calculator
Fahrenheit Celsius Calculator
Meeting Your Conversion Needs
Free

Easily convert between Fahrenheit and Celsius with a simple calculator and access weather data for any city in both temperature scales simultaneously. Start converting now! Privacy Policy: http://privacy2.apps.skystardevelopment.comTerms of Use: http:/eula.apps.skystardevelopment.com

🔧 Utilities
(1.6K)
16
Body Temperature & Thermometer
Body Temperature & Thermometer
Body Temperature & Thermometer
Temperature Tracker & Analyzer
Free

Track and analyze your body temperature with this intuitive app, featuring detailed symptom logging, interactive charts, and smart data visualization. Monitor your health trends and export records for effective management.

🔧 Utilities
(57)
17
Premom Ovulation Tracker & BBT
Premom Ovulation Tracker & BBT
Premom Ovulation Tracker & BBT
Period, Fertility & Pregnancy
Free

Track your menstrual cycle, predict ovulation, and monitor fertility signs with this comprehensive app designed to help you plan or prevent pregnancy. Stay on top of your reproductive health easily and accurately.

💪 Health & Fitness
(56K)
18
Embr Wave 1: Thermal Wellness
Embr Wave 1: Thermal Wellness
Embr Wave 1: Thermal Wellness
Hot Flashes, Sleep, Stress
Free

Achieve better thermal wellness control with the companion app for the Wave bracelet. Customize temperature, duration, and waveforms for enhanced comfort, relaxation, and sleep. Experience ongoing updates and new features for continual improvement.

💪 Health & Fitness
(2.1K)
19
Room Temperature Thermometer.
Room Temperature Thermometer.
Room Temperature Thermometer.
Temperature & Thermometer
Free
☀️ Weather
(5)
20
PregAid
PregAid
PregAid
by Guangdong Biolight Meditech Co., Ltd.
Free

This application helps women track their basal body temperature to schedule conception or contraception by recording and analyzing temperature data from a Bluetooth thermometer. By observing temperature curve changes and comparing them to a library of examples, users can effectively plan pregnancy or prevent it.

🏥 Medical
(27)