Best Free Thermometer Room Temp Apps

248+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated November 2026

Finding the right free thermometer room temp apps can be overwhelming with so many options. We've analyzed 248+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Free Thermometer Room Temp Apps (November 2026)

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

Top Picks for Free Thermometer Room Temp

Thermometer: Digital Room#1

Thermometer: Digital Room by Tirin

Check indoor heat & weather!
Editor's Choice
☀️ 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#2
4.2(3.3K ratings)
FreeAds
#71in Weather
Thermometer - Indoor & Outdoor screenshot 1
Thermometer - Indoor & Outdoor screenshot 2
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.

HD Thermometer ⊎#3

HD Thermometer ⊎ by Christophe Pereira

Indoor & Outdoor Temperature
Worth Considering
☀️ Weather
4.3😐(13K ratings)
FreeAdsIn-App Purchases
#62in Weather
HD Thermometer ⊎ screenshot 1
HD Thermometer ⊎ screenshot 2
HD Thermometer ⊎ screenshot 3
HD Thermometer ⊎ screenshot 4

Displays the current temperature for your location using a weather service. Offers a clean, rustic interface and allows saving multiple locations. Not a true thermometer, it relies on external data for accuracy.

What We Love

  • ✅ Accurate
  • 🚀 Simple and reliable
  • 💻 Convenient for checking temperatures
  • 🌍 Provides temperatures for multiple locations

Room to Improve

  • 🚫 Does not measure indoor/room temperature
  • 🤔 Relies on weather data rather than direct measurement
  • 💰 Paid version required to remove ads
  • 📍 Inaccurate location detection

More Free Thermometer Room Temp apps to explore

FAQ about Free Thermometer Room Temp

What are the best free thermometer room temp apps for iPhone?
Thermometer: Digital Room tops our free thermometer room temp apps ranking as of November 2026, with a 3.8-star average from 79 App Store ratings, and it's free to download.
Thermometer: Digital Room has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 248+ free thermometer room temp apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.