Best Temperature Sensor Apps

249+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated November 2026

If you already know Thermometer, this is the deeper bench. 249+ temperature sensor apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of November 2026.

Compare top Temperature Sensor Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ThermometerThermometerFree4.4โ˜… (4.4K)YesYesNov 2026
2Room Thermometer : IndoorRoom Thermometer : IndoorFreeโ€”NoYesNov 2026
3Flir OneFlir OneFree4.6โ˜… (7.6K)NoYesNov 2026
4Room Temperature CheckerRoom Temperature CheckerFree4.4โ˜… (5)NoYesOct 2026
5TempPro SensorTempPro SensorFree4.7โ˜… (12K)NoNoNov 2026
6jdongjdongFree5.0โ˜… (2)NoNoMay 2026
7Temperature Sensor ReaderTemperature Sensor ReaderFreeโ€”NoNoMay 2026
8Thermometer-Room&Indoor TrackThermometer-Room&Indoor TrackFree4.5โ˜… (394)YesNoOct 2026

Top Picks for Temperature Sensor

Thermometer#1

Thermometer by Alexandre Morcos

Temperature & More
Editor's Choice
๐Ÿ”ง Utilities
4.4๐Ÿ˜ž(4.4K 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

  • ๐Ÿ‘ Simple and easy to use
  • ๐Ÿš€ Quick temperature display
  • ๐Ÿ’ก Useful for checking outdoor temperature

Room to Improve

  • ๐Ÿ› Inaccurate temperature readings
  • ๐Ÿ” Doesn't measure room/indoor temperature
  • ๐Ÿ’ค Doesn't update temperature in real-time
  • ๐Ÿ”‹ High battery consumption
  • ๐Ÿ“ข Excessive ads even in paid version
Flir One#3

Flir One by FLIR Systems Aktiebolag

Thermal Camera for Smartphones
Worth Considering
๐Ÿ“ท Photo & Video
4.6๐Ÿ˜(7.6K ratings)
FreeIn-App Purchases
Flir One screenshot 1
Flir One screenshot 2
Flir One screenshot 3
Flir One screenshot 4
Flir One screenshot 5

This app transforms your smartphone into a thermal imaging device when connected to a compatible camera. It helps identify hidden issues like water damage, electrical faults, and HVAC problems with advanced visual enhancements and measurement tools. Document and share your findings easily.

What We Love

  • ๐Ÿš€ Great for finding animals
  • ๐Ÿš€ Excellent affordable option for home inspection
  • ๐Ÿš€ Valued piece of tech for animal rescue
  • ๐Ÿš€ Excellent piece of equipment
  • ๐Ÿš€ Simple but informative
  • ๐Ÿš€ Works great as advertised & very user friendly
  • ๐Ÿš€ Awesome system saves time and money

Room to Improve

  • ๐Ÿ› Image alignment issues
  • ๐Ÿ› Scam - won't connect
  • ๐Ÿ› Poor App/Image refresh
  • ๐Ÿ› Waste of money
  • ๐Ÿ› Poor UX, only real option
  • ๐Ÿ”‹ Poor battery life
  • ๐Ÿ”’ Privacy issue
  • ๐Ÿ”’ Requires full access to photos
  • ๐Ÿ”’ Watermark advertising

More Temperature Sensor apps to explore

FAQ about Temperature Sensor

What are the best temperature sensor apps for iPhone?
Thermometer tops our temperature sensor apps ranking as of November 2026, with a 4.4-star average from 4.4K App Store ratings, and it's free to download.
Yes โ€” 20 of the top temperature sensor apps we rank are free to download, including Thermometer and Room Thermometer : Indoor.
Thermometer shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 249+ temperature sensor apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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