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Best Thermal Temperature Apps

250+ iOS apps curated and reviewed

3.7 avg rating
20 free apps
Updated August 2026

Finding the right thermal temperature apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Thermal Temperature Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Flir OneFlir OneFree4.6★ (7.6K)NoYesAug 2026
2Infrared Thermal ImagerInfrared Thermal ImagerFree3.0★ (1)NoNoJun 2026
3RIDGID ThermalRIDGID ThermalFree1.8★ (128)NoNoMay 2026
4ThermometerThermometerFree4.4★ (4.2K)YesYesAug 2026
5FoxIRFoxIRFree—NoNoMay 2026
6Thermal StatusThermal StatusFree4.7★ (30)NoYesAug 2026
7Fever Thermometer | Body TempFever Thermometer | Body TempFree4.3★ (257)YesYesAug 2026
8Fluke iSeeFluke iSeeFree2.3★ (9)NoNoJul 2026

Top Picks for Thermal Temperature

Flir One#1

Flir One by FLIR Systems Aktiebolag

Thermal Camera for Smartphones
Editor's Choice
📷 Photo & Video
4.6😐(7.6K 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
Infrared Thermal Imager#2

Infrared Thermal Imager by Shenzhen Dianyang Technology Co., Ltd.

Infrared Thermal Imager
Strong Contender
🔧 Utilities
3.0(1 ratings)
Free
Infrared Thermal Imager screenshot 1
Infrared Thermal Imager screenshot 2
Infrared Thermal Imager screenshot 3
Infrared Thermal Imager screenshot 4
Infrared Thermal Imager screenshot 5
Infrared Thermal Imager screenshot 6

This utility app functions as a thermal camera, offering a wide temperature measurement range. It allows users to capture images and videos, track high and low temperatures, and set custom alarms for temperature thresholds. The app also supports various regional temperature measurement modes.

RIDGID Thermal#3

RIDGID Thermal by The Ridge Tool Company

Worth Considering
📷 Photo & Video
1.8(128 ratings)
Free
RIDGID Thermal screenshot 1
RIDGID Thermal screenshot 2
RIDGID Thermal screenshot 3
RIDGID Thermal screenshot 4
RIDGID Thermal screenshot 5

Connect to Wi-Fi enabled thermal imagers to transfer, analyze, and organize thermal images on your smartphone or tablet. Easily add measurements, annotations, and adjust color palettes before saving and sharing your findings.

More Thermal Temperature apps to explore

4
Thermometer
Thermometer
Thermometer
Temperature & More
Free

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.

Real-time outdoor temperature displayLocation-based temperature readingsLocal weather condition reports
🔧 Utilities
(4.2K)
free with in-app purchases
5
FoxIR
FoxIR
FoxIR
Foxwell
Free

This thermal imaging app transforms your phone into a portable infrared camera. It captures detailed thermal images and temperature data, allowing for precise measurements and real-time monitoring. Analyze temperature variations, set alarms, and generate comprehensive reports.

256x192 pixel infrared resolutionReal-time 25Hz high frame rate-20℃ to 550℃ temperature range
📷 Photo & Video
(0)
free
6
Thermal Status
Thermal Status
Thermal Status
Monitor your device's thermal
Free

Monitor your device's temperature in real-time to understand its performance. Get alerts before your device slows down due to overheating during demanding tasks like gaming or charging. Widgets offer quick status checks without opening the app.

Real-time thermal monitoringTemperature status (Cool, Warm, Hot, Critical)Battery level and charging status
🔧 Utilities
(30)
free with in-app purchases
7
Fever Thermometer | Body Temp
Fever Thermometer | Body Temp
Fever Thermometer | Body Temp
Temperature App for 98.6 Gauge
Free

Easily log and track body temperature for yourself and your family. Record measurements, add notes about health conditions or medications, and view a clear history of your readings. This utility does not require signup or internet access.

Log body temperatureTrack family temperatureAdd notes for health/medication
🏥 Medical
(257)
freemium
8
Fluke iSee
Fluke iSee
Fluke iSee
for Fluke TC01B Thermal Camera
Free

This application connects to a thermal camera accessory to measure temperature and perform thermal imaging detection on your smart device. It's useful for inspections, field observations, and even educational purposes, revealing the hidden world of temperature.

Real-time temperature measurementThermal imaging detectionConnects via Lightning interface
🔧 Utilities
(9)
free
9
Thermal Vision FX Camera :iTVC
Thermal Vision FX Camera :iTVC
Thermal Vision FX Camera :iTVC
Heat Imaging Filter Effects
Free

Apply real-time thermal-style heat vision filters to your camera feed. Enhance your photos and videos with unique visual effects. Supports standard iOS screen recording for video capture.

Real-time thermal vision filtersLive heat imaging effectsVideo recording via iOS screen recording
📷 Photo & Video
(792)
ad-supported
10
WBGT: Heat Index Safety Tool
WBGT: Heat Index Safety Tool
WBGT: Heat Index Safety Tool
Wet Bulb Globe Temp OSHA-NOISH
Free
☀️ Weather
(0)
11
Camera+
Camera+
Camera+
by He Fei InReii Technology Co., Ltd.
Free

Control and view real-time images from optical imaging devices like thermal cameras and telescopes. Capture photos and videos, manage stored media, and utilize various image and scene modes for precise temperature measurement.

Real-time thermal, visible light, and night vision previewPhoto and video captureView and share captured media
📷 Photo & Video
(1)
free
12
Klimo WBGT
Klimo WBGT
Klimo WBGT
Heat health app based on WBGT
Free

This app provides real-time and forecasted Wet Bulb Globe Temperature (WBGT) for any location. It allows users to document WBGT data and access guideline recommendations from various associations. Basic functionality is free, with an optional subscription for enhanced features.

Real-time WBGT dataFuture WBGT forecastsWBGT data documentation
☀️ Weather
(7)
freemium
13
Sabja - Device Thermal Monitor
Sabja - Device Thermal Monitor
Sabja - Device Thermal Monitor
Know before it throttles
Free
🔧 Utilities
(0)
14
WBGT Calculator
WBGT Calculator
WBGT Calculator
by Marco van Oostende
Free
⚽ Sports
(0)
15
Temperature Sensor Reader
Temperature Sensor Reader
Temperature Sensor Reader
by Keeping It Cool, Inc.
Free
💼 Business
(0)
16
Thermal telescope
Thermal telescope
Thermal telescope
by 广权 黄
Free
📷 Photo & Video
(0)
17
THG Start
THG Start
THG Start
by 智鸿 阳
Free

This utility app measures temperature and offers features like report export and device updates. It provides temperature readings and related functionalities for users.

Temperature measurementReport exportPseudo functionality
🔧 Utilities
(5)
free
18
Thermal Supply, Inc. App
Thermal Supply, Inc. App
Thermal Supply, Inc. App
Shop top HVAC/R/FS brands
Free
🛍️ Shopping
(0)
19
HeatSight
HeatSight
HeatSight
Thermal Camera for ESP32
Free
🔧 Utilities
(0)
20
Thermal P2
Thermal P2
Thermal P2
by Raysen Microsystem Technology Co., Ltd.
Free

This professional thermal camera connects to your smartphone for plug-and-play temperature measurement. It's ideal for both personal and industrial use, from inspecting household utilities to diagnosing equipment issues.

Ultra-small professional thermal camera12μm high-performance infrared detectorSelf-developed ASIC chip
🔧 Utilities
(27)
paid

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FAQ about Thermal Temperature

What are the best thermal temperature apps for iPhone?
Flir One tops our thermal temperature apps ranking as of August 2026, with a 4.6-star average from 7.6K App Store ratings, and it's free to download.
Yes — 20 of the top thermal temperature apps we rank are free to download, including Flir One and Infrared Thermal Imager.
Flir One has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ thermal temperature apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The FLIR ONE app works with a connected FLIR ONE series thermal camera to turn your smartphone into a thermal imager. It allows you to see heat signatures, capture thermal photos and videos, and analyze temperature data to identify problems like water leaks, electrical issues, or HVAC inefficiencies.
Key features include a live thermal camera view, the ability to capture and save photos/videos, temperature spot measurements, adjustable color palettes, and the option to add text notes. Advanced models offer automatic hot/cold spot tracking and IR scale adjustment. The app also supports cloud uploads for easy sharing and organization.