Best Ambient Thermomter Apps

248+ iOS apps curated and reviewed

3.8 avg rating

19 free apps

Updated September 2026

With an average user rating of 3.8★, the ambient thermomter 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 Ambient Thermomter Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Room Temperature Thermometer.	Free	3.9★ (364)	Yes	No	Sep 2026
2	Thermometer for Room +	Free	3.6★ (9)	No	Yes	Sep 2026
3	Thermometer - Indoor & Outdoor	Free	4.2★ (2.6K)	Yes	No	Sep 2026
4	Thermometer++ App	Free	4.7★ (7.2K)	Yes	Yes	Sep 2026
5	Temperature Thermometer App	Free	1.5★ (1.3K)	No	No	Sep 2026
6	Thermometer-Room&Indoor Track	Free	4.5★ (394)	Yes	No	Sep 2026
7	Temperature in Room +	Free	4.0★ (91)	No	Yes	Sep 2026
8	Room Thermometer : Indoor	Free	—	No	Yes	Aug 2026

Top Picks for Ambient Thermomter

#1

Room Temperature Thermometer. by Damuben Kachhad

Temperature & Thermometer

Editor's Choice

3.9(364 ratings)

FreeAds

Room Temperature Thermometer. screenshot 1

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Monitor your room's real-time temperature and humidity with a comfort indicator. Enjoy relaxing weather sounds and receive daily tips for a healthier lifestyle. Features a sleep timer for peaceful rest.

#2

Thermometer for Room + by KORPORATSIIA 12 TOV

Temperature in Room

Strong Contender

3.6(9 ratings)

FreeIn-App Purchases

Thermometer for Room + screenshot 1

Thermometer for Room + screenshot 2

Thermometer for Room + screenshot 3

Thermometer for Room + screenshot 4

Monitor your indoor room temperature and get real-time outdoor weather updates. Easily switch between Celsius and Fahrenheit to stay in control of your comfort and environment, whether at home or on the go.

#3

Thermometer - Indoor & Outdoor by Vaibhavi Bhingradiya

Room Temp Thermometer

Worth Considering

4.2(2.6K ratings)

FreeAds

#53in Weather

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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 Ambient Thermomter apps to explore

Thermometer++ App

Thermometer++ App

Thermometer++ App

Temperature and more

Transform your device into a precise thermometer. Get real-time outdoor temperature, humidity, pressure, and wind data for your current location. Utilizes AI to combine data from multiple sources for accurate, up-to-the-minute weather information.

Real-time temperature, humidity, pressure, and windThermometer, barometer, and hygrometer functionsCurrent location or custom location selection

free with in-app purchases

Temperature Thermometer App

Temperature Thermometer App

Temperature Thermometer App

Thermometer- check temperature

Get real-time temperature and humidity readings, along with daily weather forecasts. This app provides accurate local weather data, detailed 7-day forecasts, and alerts for temperature changes. Monitor air pressure, wind speed, and sunrise/sunset times.

Temperature measurementHumidity checker7-day weather forecast

Thermometer-Room&Indoor Track

Thermometer-Room&Indoor Track

Thermometer-Room&Indoor Track

Smart Indoor & Outdoor Temps

Monitor indoor and outdoor temperatures in real time with detailed historical data and trend charts. Track temperatures from multiple locations simultaneously and access basic environmental data and converters.

Real-time temperature trackingHistorical data and trend chartsMulti-location monitoring

free with in-app purchases

Temperature in Room +

Temperature in Room +

Temperature in Room +

Indoor Thermometer for Room

Monitor your indoor environment and stay updated on outdoor weather conditions with this straightforward thermometer app. Easily track room temperatures and switch between Celsius and Fahrenheit for personalized comfort. Ideal for home, work, or travel.

Indoor temperature monitoringReal-time outdoor weather updatesCelsius and Fahrenheit unit switching

free with in-app purchases

Room Thermometer : Indoor

Room Thermometer : Indoor

Room Thermometer : Indoor

Indoor Temperature

Control your smart home and community amenities with ease. This app allows you to manage access for guests, unlock amenities like the pool, and set your home's climate remotely for ultimate convenience and comfort.

Share access with guestsUnlock community amenitiesRemote climate control

Thermometer: Digital Room

Thermometer: Digital Room

Thermometer: Digital Room

Check indoor heat & weather!

$2.99 | 100% OFF

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.

Real-time room temperatureOutdoor weather updatesIndoor humidity monitoring

Room Temperature Checker

Room Temperature Checker

Room Temperature Checker

Indoor Outdoor Thermometer

Widget Thermometer ext room

Widget Thermometer ext room

Widget Thermometer ext room

temperature checker, measure

Quickly view the outside temperature directly from your home screen. This widget provides the fastest access to current weather conditions without needing to open the application.

External temperature displayHome screen widgetNo device unlock needed

Thermos real thermometer

Thermos real thermometer

Thermos real thermometer

Temperature Hygrometer Digital

Get real-time outdoor temperature readings for your location. This app also offers AI-powered outfit suggestions based on the current weather, helping you dress appropriately. Premium features include widgets and personalized style advice.

Real-time outdoor temperatureAI-powered outfit suggestionsHome Screen and Lock Screen widgets

free with in-app purchases

Thermometer: Local Temperature

Thermometer: Local Temperature

Thermometer: Local Temperature

Monitor ambient temperature

$2.99 | 33% OFF

This app displays real-time outdoor temperature and local weather conditions for your current location or any saved location. It provides hourly and daily forecasts, helping you stay prepared for the weather.

Outdoor temperature measurementFeels like temperatureCurrent weather conditions

Room Temperature ~ Thermometer

Room Temperature ~ Thermometer

Room Temperature ~ Thermometer

Thermometer - Indoor & Outdoor

Real Thermometer & Temperature

Real Thermometer & Temperature

Real Thermometer & Temperature

Check Temperature & Weather

This application displays current temperature readings and tracks temperature variations over time. It offers a clear and convenient way to stay informed about environmental changes with fast access to information.

View temperature readingsTrack temperature variationsEasy-to-read displays

free with in-app purchases

by FireBoard Labs, LLC

This smart thermometer offers cloud-connected remote temperature monitoring for various environments. It supports multiple probes for accurate readings and can be accessed from anywhere via the cloud.

Cloud-connected smart thermometerRemote temperature monitoringSupports up to 6 temperature probes

Thermometer -Temperature Today

Thermometer -Temperature Today

Thermometer -Temperature Today

Temperature checker - weather

This app provides real-time ambient temperature and humidity readings, along with daily weather forecasts. It offers a user-friendly interface to check current conditions, humidity levels, and environmental data like wind speed and air pressure. Easily switch between measurement units for a personalized weather experience.

Temperature estimationTemperature and humidity checkerWeather temperature check

by ThermoWorks, Inc

Monitor cooking, BBQ, and ambient temperatures with compatible Bluetooth and Wi-Fi devices. Features enhanced graphing, alarms with push notifications, and cloud storage for session data. Ideal for professionals and enthusiasts needing precise temperature control.

Real-time temperature monitoringCustomizable temperature alarmsPush notifications for alerts

by iTronics Co., Limited

Monitor real-time temperature and humidity with historical data up to one year. Receive alerts when readings fall outside your set range, ensuring optimal conditions.

Real-time temperature displayReal-time humidity displayHeat index display

FAQ about Ambient Thermomter

What are the best ambient thermomter apps for iPhone?

Room Temperature Thermometer. tops our ambient thermomter apps ranking as of September 2026, with a 3.9-star average from 364 App Store ratings, and it's free to download.

Are there free ambient thermomter apps for iPhone?

Yes — 19 of the top ambient thermomter apps we rank are free to download, including Room Temperature Thermometer. and Thermometer for Room +.

Does Room Temperature Thermometer. have ads or in-app purchases?

Room Temperature Thermometer. shows ads and has no in-app purchases, according to its App Store listing as of September 2026.

How many ambient thermomter apps are on the App Store?

We track 248+ ambient thermomter apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

What is the current room temperature displayed by Room Temperature Thermometer?

Room Temperature Thermometer displays your real-time room temperature. The app also provides a clear comfort indicator to let you know if it's too hot, too cold, or normal.

Does Room Temperature Thermometer offer any relaxation features?

Yes, Room Temperature Thermometer pairs your room temperature with relaxing weather sounds like rain, wind, thunder, or ocean waves. You can mix sounds and use the built-in sleep timer.