Best Free Indoor Temperature Apps

225+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated May 2026

Finding the right free indoor temperature app can be overwhelming with so many options. We've analyzed 225+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Free Indoor Temperature

Thermometer - Indoor & Outdoor#1

Thermometer - Indoor & Outdoor by Vaibhavi Bhingradiya

Room Temp Thermometer
Editor's Choice
☀️ Weather
4.2(793 ratings)
FreeAds
#86in 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

Get real-time temperature insights with this app, which provides indoor and outdoor temperature readings, weather forecasts, and location-based forecasts. Download now to stay informed and prepared for any weather condition.

More Free Indoor Temperature apps to explore

4
Room Temperature + Thermometer
Room Temperature + Thermometer
Room Temperature + Thermometer
Indoor Temperature Checker App
Free

Stay informed and comfortable with indoor temperature and weather updates at your fingertips. Download now and get accurate room temperature, live weather, and more, with features like humidity tracking and customizable units, and upgrade to a Premium Subscription for ad-free and full-access experience.

☀️ Weather
(34)
5
Room Temperature Thermometer.
Room Temperature Thermometer.
Room Temperature Thermometer.
Temperature & Thermometer
Free
☀️ Weather
(5)
6
Room Temperature & Thermometer
Room Temperature & Thermometer
Room Temperature & Thermometer
Check Temperature in Room
Free
☀️ Weather
(2)
7
Thermometer++ App
Thermometer++ App
Thermometer++ App
Temperature and more
Free

An app offering real-time temperature, humidity, and pressure data using AI technology. Users can track weather conditions at their current location or any chosen location with a minimalist design and the option to view Celsius or Fahrenheit degrees. Stay prepared for any weather with this fast and accurate thermometer app!

☀️ Weather
(7K)
8
Thermometer-Room&Indoor Track
Thermometer-Room&Indoor Track
Thermometer-Room&Indoor Track
Smart Indoor & Outdoor Temps
Free

This app is a smart temperature monitoring tool that tracks indoor and outdoor temperatures in real time, providing detailed historical data and trend charts to easily understand and respond to temperature changes. With multi-location support, you can monitor temperatures from different regions in one app.

🔧 Utilities
(255)
9
Thermometer
Thermometer
Thermometer
Temperature & More
Free

Track temperature trends easily with this handy thermometer application. Stay informed about temperature changes and plan accordingly. Download now to stay ahead of the weather!

🔧 Utilities
(3.9K)
10
Sensi
Sensi
Sensi
by Copeland LP
Free

Control your home comfort with the Sensi Smart Thermostat app. Easily adjust temperature settings, create schedules, receive service reminders, and connect to various smart home platforms for seamless control. Control your home comfort from anywhere with ease.

🌟 Lifestyle
(232K)
11
HD Thermometer ⊎
HD Thermometer ⊎
HD Thermometer ⊎
Current temperature & more
Free

Track the current temperature and weather conditions with ease using a precise thermometer application. Stay informed about the temperature wherever you are with just a tap.

☀️ Weather
(322)
12
Temperature Checker
Temperature Checker
Temperature Checker
Room & Body Heat Monitor
Free

This application allows users to monitor and track their body temperature and the temperature around them, providing a convenient way to stay informed and comfortable. With features such as live forecasts, trend charts, and exportable data, users can easily keep track of their health and wellness, and try it out with a free trial today.

💪 Health & Fitness
(6)
13
Nest
Nest
Nest
by Nest Labs, Inc
Free

Control your home's temperature, security, and more with the Nest app. Easily manage your thermostat, alarm system, cameras, and smoke alarms from your phone, ensuring a safe and comfortable environment. Take charge of your smart home now!

🌟 Lifestyle
(2.5M)
14
ThermoWorks
ThermoWorks
ThermoWorks
by ThermoWorks, Inc.
Free

Track temperatures with precision using the redesigned ThermoWorks app. Set temperature alarms, view graphs, and store session data in ThermoWorks Cloud for easy access and review. Compatible with various ThermoWorks Bluetooth and Wi-Fi devices for seamless monitoring.

🔧 Utilities
(15K)
15
TempPro Sensor
TempPro Sensor
TempPro Sensor
by iTronics Co., Limited
Free

Receive real-time temperature and humidity data from ThermoPro thermometers, view historical data for up to a year, and receive alerts when readings go out of set range. Experience the convenience of monitoring your environment with precision - download the app now!

🌟 Lifestyle
(10K)
16
Body Temperature App For Fever
Body Temperature App For Fever
Body Temperature App For Fever
Thermometer. Checker. Tracker
Free

Track, log, and monitor your body temperature, symptoms, and medications with ease using this app. Stay proactive about your health by keeping an eye on your well-being and sharing your data with healthcare professionals. Download now for free!

🏥 Medical
(22K)
17
The Thermometer -Digital-
The Thermometer -Digital-
The Thermometer -Digital-
Simple Temperature Humidity
Free

"The Thermometer -Digital- is a simple app that provides real-time outdoor temperature, humidity, and time. Customize colors, switch between Celsius and Fahrenheit, and upgrade to the premium plan for saving multiple locations and an ad-free experience. Download now to effortlessly stay informed about weather conditions!"

☀️ Weather
(523)
18
AprilAire Healthy Air
AprilAire Healthy Air
AprilAire Healthy Air
by Research Products Corporation
Free

Control your home's air quality effortlessly with the AprilAire Healthy Air App. Manage temperature, humidity, and air purity with ease from anywhere, receive alerts, access multiple devices, and even make in-app purchases for seamless maintenance. Discover more at aprilaire.com/app or call 1-800-334-6011 for setup assistance.

🌟 Lifestyle
(15K)
19
Ember - Temperature Control
Ember - Temperature Control
Ember - Temperature Control
Easily control your Ember Mug
Free

Control your favorite hot beverage's temperature with ease using Ember's temperature control mug and app. Customize presets, receive notifications, and ensure the perfect sip every time. Experience the transformative power of temperature control today.

🌟 Lifestyle
(7.2K)
20
Thermometer -Temperature Today
Thermometer -Temperature Today
Thermometer -Temperature Today
Thermometer : Temperature App
Free

Transform your device into a versatile weather companion with our Temperature app. Accurately measure room temperature, check humidity levels, and access weather forecasts for any location. Download now for free and stay in control of your environment with ease.

🔧 Utilities
(144)