Best Thermometer Apps

248+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated September 2026

Whether you're new to thermometer or looking for an upgrade, our curated collection of 248+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Thermometer Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Body Temperature App For FeverBody Temperature App For FeverFree4.7★ (22K)NoYesSep 2026
2ThermometerThermometerFree4.4★ (4.2K)YesYesSep 2026
3Indoor ThermometerIndoor ThermometerFree4.2★ (2.1K)YesNoSep 2026
4Fever Thermometer | Body TempFever Thermometer | Body TempFree4.3★ (257)YesYesSep 2026
5HD Thermometer ⊎HD Thermometer ⊎Free4.3★ (13K)YesYesSep 2026
6Thermometer - Indoor & OutdoorThermometer - Indoor & OutdoorFree4.2★ (2.6K)YesNoSep 2026
7Thermometer ºThermometer ºFree3.7★ (3)YesNoJul 2026
8Flir OneFlir OneFree4.6★ (7.6K)NoYesSep 2026

Top Picks for Thermometer

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
#18in 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
  • 🔒 Lack of transparency around subscription details
Thermometer#2

Thermometer by Alexandre Morcos

Temperature & More
Strong Contender
🔧 Utilities
4.4😞(4.2K ratings)
FreeAdsIn-App Purchases
Thermometer screenshot 1
Thermometer screenshot 2
Thermometer screenshot 3

This app transforms your iPhone or iPod Touch into a thermometer, displaying the exact outside temperature based on your current location. It provides detailed local weather conditions and allows you to check temperatures for other cities.

What We Love

  • 👍 Simple and easy to use
  • 🚀 Quick temperature display
  • 💡 Useful for checking outdoor temperature

Room to Improve

  • 🐛 Inaccurate temperature readings
  • 🔍 Doesn't measure room/indoor temperature
  • 💤 Doesn't update temperature in real-time
  • 🔋 High battery consumption
  • 📢 Excessive ads even in paid version
Indoor Thermometer#3

Indoor Thermometer by Ravibhai Ramani

Indoor temp, outfit & tips
Worth Considering
☀️ Weather
4.2(2.1K ratings)
FreeAds
#28in Weather
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This app provides accurate indoor temperature readings in Celsius and Fahrenheit, along with outdoor weather context. It offers outfit suggestions, seasonal lifestyle tips, and the ability to create and share custom temperature cards with themed wallpapers.

More Thermometer apps to explore

FAQ about Thermometer

What are the best thermometer apps for iPhone?
Body Temperature App For Fever tops our thermometer apps ranking as of September 2026, with a 4.7-star average from 22K App Store ratings, and it's free to download.
Yes — 20 of the top thermometer apps we rank are free to download, including Body Temperature App For Fever and Thermometer.
Body Temperature App For Fever has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 248+ thermometer apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app allows you to estimate and track your body temperature trends to help you monitor potential fever symptoms. It also enables you to log data, export reports for your doctor, and even estimate your heart rate using your phone's camera.
No, this app is for wellness use only and cannot be used for diagnostics or medical purposes. It is intended to improve your awareness of general wellness and does not diagnose, treat, mitigate, or prevent any disease or symptom. Always seek professional medical advice for any health concerns.

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