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Best Heat Thermometer Apps

221+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated May 2026

Looking for free heat thermometer apps? 20 of our 221+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Heat Thermometer

Flir One#1

Flir One by FLIR Systems Aktiebolag

Thermal Camera for Smartphones
Editor's Choice
📷 Photo & Video
4.6😐(7.5K ratings)
FreeIn-App Purchases
Flir One screenshot 1
Flir One screenshot 2
Flir One screenshot 3
Flir One screenshot 4
Flir One screenshot 5

This app transforms your smartphone into a thermal imaging device when connected to a compatible camera. It helps identify hidden issues like water damage, electrical faults, and HVAC problems with advanced visual enhancements and measurement tools. Document and share your findings easily.

What We Love

  • 🚀 Great for finding animals
  • 🚀 Excellent affordable option for home inspection
  • 🚀 Valued piece of tech for animal rescue
  • 🚀 Excellent piece of equipment

Room to Improve

  • 🐛 Image alignment issues
  • 🐛 Scam - won't connect
  • 🐛 Poor App/Image refresh
MEATER® Smart Meat Thermometer#2

MEATER® Smart Meat Thermometer by Apption Labs Limited

Bluetooth & WiFi Thermometer
Strong Contender
🍔 Food & Drink
4.7😐(126K ratings)
Free
MEATER® Smart Meat Thermometer screenshot 1
MEATER® Smart Meat Thermometer screenshot 2
MEATER® Smart Meat Thermometer screenshot 3

This app works with a wireless meat thermometer to help you cook meats perfectly. It provides cook time estimates, guided cooking instructions, and notifications when your food is ready. Monitor your food remotely and enjoy perfectly cooked meals every time.

What We Love

  • 🚀 Accurate temperature readings
  • 🔍 Helpful cooking data and graphs
  • 🤖 Automated cooking assistance
  • 🧑‍🍳 Improved cooking results

Room to Improve

  • 🔌 Connectivity issues and signal range limitations
  • 🕰️ Inaccurate cooking time estimates
  • 🔋 Battery life and charging concerns
Thermometer#3

Thermometer by Alexandre Morcos

Temperature & More
Worth Considering
🔧 Utilities
4.4😞(3.9K ratings)
FreeAdsIn-App Purchases
Thermometer screenshot 1
Thermometer screenshot 2
Thermometer screenshot 3
Thermometer screenshot 4

This app transforms your iPhone or iPod Touch into a thermometer, displaying the exact outside temperature based on your current location. It provides detailed local weather conditions and allows you to check temperatures for other cities.

What We Love

  • 👍 Simple and easy to use
  • 🚀 Quick temperature display
  • 💡 Useful for checking outdoor temperature

Room to Improve

  • 🐛 Inaccurate temperature readings
  • 🔍 Doesn't measure room/indoor temperature
  • 💤 Doesn't update temperature in real-time

More Heat Thermometer apps to explore

4
Thermometer++ App
Thermometer++ App
Thermometer++ App
Temperature and more
Free

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
☀️ Weather
(7.1K)
free with in-app purchases
5
Body Temperature App For Fever
Body Temperature App For Fever
Body Temperature App For Fever
Thermometer. Checker. Tracker
Free

Estimate and track body temperature trends to monitor potential fever symptoms. Log data, export reports for healthcare providers, and monitor family members' temperatures. Includes features like heart rate estimation and symptom tracking.

Estimate body temperatureLog and track temperature dataExport data to PDF
🏥 Medical
(22K)
free with in-app purchases
6
HD Thermometer ⊎
HD Thermometer ⊎
HD Thermometer ⊎
Current temperature & more
Free

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.

Current location temperature displayRustic style interfaceSave multiple locations
☀️ Weather
(13K)
free with in-app purchases
7
Sintony: Dating & AI Match
Sintony: Dating & AI Match
Sintony: Dating & AI Match
Meet & match near you—Sintony.
Free

This app uses AI to connect you with compatible people nearby for dating, friendship, or casual meetups. It prioritizes privacy and ease of use with detailed profiles, smart filters, and secure chat features.

AI compatibility matchingDetailed user profilesSmart age, distance, and interest filters
🌐 Social Networking
(4)
free with in-app purchases
8
ThermoWorks
ThermoWorks
ThermoWorks
by ThermoWorks, Inc.
Free

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
🔧 Utilities
(16K)
free
9
HeatMaster:CILICO® Thermometer
HeatMaster:CILICO® Thermometer
HeatMaster:CILICO® Thermometer
Real-Time Monitoring & Alerts
Free

This app provides real-time temperature monitoring for cooking, with customizable alerts and data logging. It supports dual-mode tracking for heating and cooling, with options for Celsius/Fahrenheit and CSV export.

Dual-mode real-time temperature monitoringCustomizable target temperatures and alertsCelsius/Fahrenheit unit switching
🔧 Utilities
(1)
free
10
Room Temperature & Thermometer
Room Temperature & Thermometer
Room Temperature & Thermometer
Check Temperature in Room
Free

This app provides real-time room temperature readings, humidity tracking, and local weather forecasts. It functions as a digital thermometer, temperature sensor, and ambient temperature sensor for home or office use. View temperatures in Celsius or Fahrenheit and monitor your indoor climate for comfort and safety.

Real-time room temperature monitoringHumidity trackerLocal weather forecasts
☀️ Weather
(11)
free with in-app purchases
11
Lava — Call Friends
Lava — Call Friends
Lava — Call Friends
Call friends to play
Free

This app simplifies video calls and content discovery for users of all ages, especially beginners. Easily see when friends are online for a call and explore personalized video topics with curated or broad search options. Voice search and narrated results make it accessible for everyone.

Easy video callingFriend online statusPersonalized video topics
📷 Photo & Video
(2.3K)
free with in-app purchases
12
Thermometer: Digital Room
Thermometer: Digital Room
Thermometer: Digital Room
Check indoor heat & weather!
Free
$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
☀️ Weather
(14)
free
13
Temprobe
Temprobe
Temprobe
Temprobe
Free

This app helps culinary enthusiasts achieve meat perfection by providing real-time monitoring and control of meals. Its user-friendly interface ensures a straightforward experience, eliminating concerns of over or undercooking.

Real-time meat monitoringPrecise cooking controlUser-friendly interface
🔧 Utilities
(5)
free
14
PROBE PLUS
PROBE PLUS
PROBE PLUS
by Finemold Technologies Co., Ltd
Free

Monitor wireless meat thermometers via Bluetooth for real-time temperature tracking and alerts. This app simplifies cooking, allowing you to step away from the kitchen or grill while ensuring your food is cooked perfectly. Receive notifications when your food is ready or when issues arise.

Bluetooth real-time temperature monitoringAudio and message notificationsPreset and custom temperature alarms
🔧 Utilities
(113)
free
15
FireBoard®
FireBoard®
FireBoard®
by FireBoard Labs, LLC
Free

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
🔧 Utilities
(4.7K)
paid
16
Thermometer: Body Temperature
Thermometer: Body Temperature
Thermometer: Body Temperature
Fever & Temperature Checker
Free

Estimate body temperature using your smartphone without a physical thermometer. Track heart rate, blood pressure, and sync with Apple Watch for real-time fever alerts. Log custom health data and generate shareable PDF reports.

Temperature estimation without a thermometerApple Watch Series 8 sync for readingsHigh fever alerts
💪 Health & Fitness
(394)
free with in-app purchases
17
Body Temperature & Thermometer
Body Temperature & Thermometer
Body Temperature & Thermometer
Temperature Tracker & Analyzer
Free

Log and analyze your body temperature with detailed symptom tracking. Visualize trends with interactive charts and export your health records. Supports multiple languages for global users.

Body temperature trackingSymptom loggingInteractive charts
🔧 Utilities
(57)
ad-supported
18
Thermometer - Indoor & Outdoor
Thermometer - Indoor & Outdoor
Thermometer - Indoor & Outdoor
Room Temp Thermometer
Free

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.

Real-time indoor temperature monitoringOutdoor temperature and full weather reportHourly and daily weather forecasts
☀️ Weather
(793)
free with in-app purchases
19
Thermometer-Simple thermometer
Thermometer-Simple thermometer
Thermometer-Simple thermometer
smart thermometer
Free

This app provides real-time temperature readings for your current location. It features a realistic design, allows you to switch between Celsius and Fahrenheit, and refreshes data to show temperature changes. Subscription unlocks ad-free use, trend graphs, and more features.

Real-time temperature measurementAutomatic location detectionCelsius/Fahrenheit options
☀️ Weather
(132)
free with in-app purchases
20
Solis Thermo
Solis Thermo
Solis Thermo
by Tenergy Corporation
Free

Monitor your cooking with a smart thermometer that connects to your device. Get real-time temperature readings, set custom presets, and receive alarms to ensure perfectly cooked meals every time.

Real-time temperature readingsSix simultaneous probesEight preset food options
🔧 Utilities
(48)
paid

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