Best Room Temperature Thermometer Free Apps

248+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated November 2026

With an average user rating of 4.1★, the room temperature thermometer free category is one of the App Store's strongest. Browse all 248+ apps we track, sorted so the most loved ones surface first.

Compare top Room Temperature Thermometer Free Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Indoor ThermometerIndoor ThermometerFree4.2★ (2.9K)YesNoNov 2026
2Thermometer: Digital RoomThermometer: Digital RoomFree3.8★ (79)NoYesNov 2026
3Thermometer - Indoor & OutdoorThermometer - Indoor & OutdoorFree4.2★ (3.3K)YesNoNov 2026
4HD Thermometer ⊎HD Thermometer ⊎Free4.3★ (13K)YesYesNov 2026
5Thermometer++ AppThermometer++ AppFree4.7★ (7.3K)YesYesNov 2026
6Room Temperature & ThermometerRoom Temperature & ThermometerFree4.0★ (11)YesYesNov 2026
7ThermometerThermometerFree4.4★ (4.4K)YesYesNov 2026
8Room Temperature CheckerRoom Temperature CheckerFree4.4★ (5)NoYesOct 2026

Top Picks for Room Temperature Thermometer Free

Indoor Thermometer#1

Indoor Thermometer by Ravibhai Ramani

Indoor temp, outfit & tips
Editor's Choice
☀️ Weather
4.2(2.9K ratings)
FreeAds
#24in Weather
Indoor Thermometer screenshot 1
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Indoor Thermometer screenshot 3
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Indoor Thermometer screenshot 5
Indoor Thermometer screenshot 6

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.

Thermometer: Digital Room#2

Thermometer: Digital Room by Tirin

Check indoor heat & weather!
Strong Contender
☀️ Weather
3.8(79 ratings)
FreeIn-App Purchases
Thermometer: Digital Room screenshot 1
Thermometer: Digital Room screenshot 2
Thermometer: Digital Room screenshot 3
Thermometer: Digital Room screenshot 4
Thermometer: Digital Room screenshot 5
Thermometer: Digital Room screenshot 6

This app transforms your smartphone into a precise digital thermometer. It displays real-time indoor room temperature, outdoor weather, and humidity levels with a classic retro interface. Customize themes and switch between Celsius and Fahrenheit for easy climate monitoring.

Thermometer - Indoor & Outdoor#3
4.2(3.3K ratings)
FreeAds
#71in Weather
Thermometer - Indoor & Outdoor screenshot 1
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Thermometer - Indoor & Outdoor screenshot 3
Thermometer - Indoor & Outdoor screenshot 4
Thermometer - Indoor & Outdoor screenshot 5
Thermometer - Indoor & Outdoor screenshot 6

This app provides real-time temperature readings for both indoor room environments and outdoor locations worldwide. It offers detailed weather forecasts, including hourly and daily predictions, wind speed, humidity, and sunrise/sunset times. Easily monitor your home comfort or plan your travels with location-based weather information.

More Room Temperature Thermometer Free apps to explore

FAQ about Room Temperature Thermometer Free

What are the best room temperature thermometer free apps for iPhone?
Indoor Thermometer tops our room temperature thermometer free apps ranking as of November 2026, with a 4.2-star average from 2.9K App Store ratings, and it's free to download.
Indoor Thermometer shows ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 248+ room temperature thermometer free apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.