10 Best iPhone Thermometer Apps

A thermometer is a device for measuring temperature. It can be air temperature, water temperature, body temperature, etc. Thermometers can be very different.

The modern market of laboratory equipment is so big that it is not always easy to figure out what’s best for you. Luckily, today our smartphones can also measure temperature, so in some cases, there’s no need to buy a conventional tool anymore. All it takes is to download a special thermometer app!

Below, we review the best thermometer applications for iOS. With all the benefits that they offer, it is worth remembering that they have certain limitations. Check the list out and see if anything suits you.

Body temperature is one of the main health indicators. Deviation from the norm means something is not right. Today in pharmacies and specialized medical equipment shops, there is a large number of all kinds of thermometers – mercury, electronic, infrared; contactless and contact, disposable, and with replaceable nozzles.

Be prepared for upcoming weather changes with these best barometric pressure forecast apps.


iThermonitor is an iOS app for measuring body temperature. Calculations are made with the help of the camera. You need to put your finger on it and the program will calculate the required indicators.

The iThermonitor application integrates with the Health application, allowing you to synchronize the existing data. To monitor temperature, you can create a daily schedule. You can set the minimum and the maximum of readings per week.

The developer warns that the application “can not replace a thermometer”: this way of measuring temperature is not reliable and cannot be used for medical purposes.


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Vicks SmartTemp Thermometer

The Vicks SmartTemp Thermometer application only works with the Vicks® SmartTemp Thermometer. With it, you can measure temperature in a fast and accurate way. The app allows you to record symptoms and get acquainted with the recommendations. It is quite intuitive and, besides, has a user-friendly design.

You can create several profiles and track the body temperature of all your family members separately. You can enter the name, sex, and date of birth of each person. You can even add pictures if you want to.

Once the temperature is measured, you can look at the results timeline as well as a list of symptoms and advice on disease control.

The application records all the data in your account. In order to get personalized recommendations, you should tap on the small tool icon in the upper corner and then tap “When to take action”. The advice is provided by the American Academy of Pediatrics, Boston Children’s Hosptial, and some other sources.

Vicks SmartTemp Thermometer

Thermometer by Alexandre Morcos

This app will serve as a thermometer that will measure the ambient temperature, regardless of your location. For the most accurate measurement, you can enable geolocation, which will measure the temperature where you are in real-time.

The app also displays all temperature measurement information on the home screen. This allows you to keep track of changes without even logging into the app. It works offline, so you don’t have to open it every time you want to see the current air temperature.

The thermometer looks like a bright red line that can shrink or continue to shrink as it changes.

The app also has a detailed report on weather conditions in your area, which includes wind surveys, air temperatures, and so on. You can also look up weather conditions in other cities in the app by searching for them.


The name of the application “Thermometer” speaks for itself – it is an ordinary thermometer. The program shows the current temperature with a high degree of accuracy based on your location and data from the servers. The weather information from various sources is combined together to get the final and most accurate results.


– the most accurate temperature;
– the actual temperature at the moment;
– a large number of graphic screensavers (HD);
– the ability to select units of measure (Fahrenheit or Celsius);
– support for many languages;
– an internet connection is required to obtain up-to-date data from meteorological servers.

To disable advertising and get the results faster, you need to purchase a paid version of the app.

How does it work:

After launching, the application will ask you to turn on the GPS and internet to find your location and download data from the servers. If your phone does not have a GPS sensor, you can select your location on the google map. The “main screen” shows the thermometer itself. To access the menu, tap anywhere on the screen. In the menu, you can go to the map and settings. In the settings, you can change the unit from degrees Celsius to degrees Fahrenheit. It is also possible to change the design of the thermometer.

This application deserves a solid five. It works pretty fast, almost doesn’t consume your battery, and has quite interesting graphic screensavers. You can buy a paid version to disable advertising.


My AcuRite

My AcuRite is a useful application for mobile gadgets that shows a very detailed description of the weather. The application contains extensive functionality that will allow you to track weather conditions from almost anywhere in the world.

Once you log into the app for the first time, you will need to register. You will need to enter and configure data such as the display of degrees (Fahrenheit or Celsius), your country, your device ID, and some others.

After registration, the main window opens, which shows such tabs as Dashboard, Charts, Alerts, and Settings. You will have access to many indicators such as cloudiness, percentage of precipitation coverage, wind speed and direction, thunderstorm intensity, sunset and sunrise times, etc.

Important notifications will come to the Alerts tab, and in the Charts tab, you can track all changes in the form of graphs.


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Digital Thermometer app

This app will allow you to know the temperature conditions of your environment using a virtual thermometer. To get information about the weather at the current time and in your location, you need to log into the app and set the thermometer.

The stylish and concise design allows you to find out all the temperature data in a couple of minutes. You can choose any thermometer you like from the range that will be the most convenient to view the data.

You can also choose the type of degrees in which the temperature will be displayed: Celsius or Fahrenheit. In addition to information about your current location, you can get data about weather conditions in other cities. To do this, the app has a search where you should enter the location you want to know about.

The thermometer will display information not only about the temperature of the air but also about the room where you are.


Real Thermometer

This is a truly powerful thermometer app for measuring all the details of the current weather. The app uses the infrared sensor of your phone to get the data. It will help you to easily measure body or object temperature for free. It is easy to use and, what is more, it is a free app for all smartphones.

Use this app to measure the temperature in the distance of 3-5cm to the object. One cool feature here is that you can save all the data collected about all the measurements that you have ever made – who knows, maybe you need that. You can also synchronize it and easily can get a report on your other device.




Thermometer ++ is a popular application for devices running on iOS. It allows you to know the exact temperature (up to a tenth of a degree) of the environment. The app can show temperature both in degrees Celsius and Fahrenheit.

The app uses a unique algorithm for obtaining data from various meteorological sources. To get the data from meteorological servers, you need an Internet connection. There are many high-quality graphic screensavers so that it was more convenient to view the information.

Thermometer app

Finger Body Temperature

This is a little bit different kind of the thermometer app, which is, nevertheless, extremely popular. This is a prank app that is supposed to be the thermometer for the body temperature, but in fact, you can fake any temperature you want here and prank your friends and family.

It is super simple in usage, and, being honest, a little bit silly, but once again, it was made only for entertainment purposes.



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If you often move somewhere and want to be aware of the temperature on the street, the iCelsius app is exactly what you need. The advantages of this application are a stylish interface with rather detailed weather information and convenient notifications that can save you from leaving an umbrella at home on a rainy day.


Due to the fact that even iPhone devices are far from being perfect, the only temperature that can be measured by our phones are air temperature. Measuring body temperature is also possible but there are lots of ‘buts’, the biggest one of which is the lack of accuracy.

Hopefully, this article was useful to you. Just remember that if your iPhone’s default app doesn’t show you air temperature correctly, you can always look for other sources of information. This can be a simple Google search or a special app. Now that you are familiar with the apps, it is not difficult to choose the right one!

Photo of author
Daria Tolmacheva
I've been reviewing apps for different platforms for a long time already. I love being helpful and finding only the best among such a mess!