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Best Thermal Detection App

0+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated July 2026

Out of 0+ thermal detection app on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Thermal Detection App (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Flir OneFlir OneFree4.6★ (7.6K)NoYesAug 2026
2Night Vision Thermal CameraNight Vision Thermal CameraFree3.7★ (24K)NoYesAug 2026
3Thermal TI222 / TI223Thermal TI222 / TI223Free2.1★ (13)NoNoJul 2026
4TopInfraredTopInfraredFree3.5★ (46)NoYesAug 2026
5Thermal & Night Vision CameraThermal & Night Vision CameraFree4.4★ (735)YesYesAug 2026
6Seek ThermalSeek ThermalFree2.5★ (321)NoNoAug 2026
7RIDGID ThermalRIDGID ThermalFree1.8★ (128)NoNoMay 2026
8Infrared Thermal ImagerInfrared Thermal ImagerFree3.0★ (1)NoNoJun 2026

Top Picks for Thermal Detection App

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
Night Vision Thermal Camera#2

Night Vision Thermal Camera by Florian Winter

Live camera filter effects
Strong Contender
📷 Photo & Video
3.7😞(24K ratings)
FreeIn-App Purchases
Night Vision Thermal Camera screenshot 1
Night Vision Thermal Camera screenshot 2
Night Vision Thermal Camera screenshot 3
Night Vision Thermal Camera screenshot 4

Explore the world in different spectrums with live camera filters. Apply night vision, thermal, or UV effects to your photos and videos. Discover hidden details and observe objects from a new perspective.

What We Love

  • 👍 Reliable for paranormal investigations
  • 🚀 Useful for detecting heat signatures
  • 🔍 Good object detection capabilities

Room to Improve

  • 🐛 Thermal camera doesn't work as advertised
  • 🐛 Night vision mode is just a color filter
  • 💸 Many features locked behind paywall
Thermal TI222 / TI223#3

Thermal TI222 / TI223 by Klein Tools

Klein Imager TI222/ Ti223
Worth Considering
📊 Productivity
2.1(13 ratings)
Free
Thermal TI222 / TI223 screenshot 1
Thermal TI222 / TI223 screenshot 2
Thermal TI222 / TI223 screenshot 3
Thermal TI222 / TI223 screenshot 4
Thermal TI222 / TI223 screenshot 5
Thermal TI222 / TI223 screenshot 6

This app turns your smartphone into a professional thermal imaging camera with 19,200-pixel resolution. It captures hot and cold spots across a wide temperature range and offers various touch screen temperature modes for detailed analysis. Time-lapse video recording is also supported for comprehensive documentation.

More Thermal Detection App apps to explore

4
TopInfrared
TopInfrared
TopInfrared
Thermal camera for iOS devices
Free

This thermal imaging camera app provides high-resolution thermal images for precise temperature detection. It's ideal for inspecting insulation, examining electronics, and identifying heat loss with excellent accuracy and sensitivity.

High-resolution thermal imaging (256x192)Precise temperature detectionInsulation inspection
🔧 Utilities
(46)
free with in-app purchases
5
Thermal & Night Vision Camera
Thermal & Night Vision Camera
Thermal & Night Vision Camera
Heat sensor effects
Free

Simulate thermal and night vision camera effects on your phone. Capture photos and videos with realistic heat patterns and low-light visuals. Apply filters to live footage or existing media from your gallery.

Real-time thermal camera simulationNight vision camera effectsApply effects to live footage
📷 Photo & Video
(735)
free with in-app purchases
6
Seek Thermal
Seek Thermal
Seek Thermal
by Seek Thermal, Inc.
Free

Transform your smartphone into a professional thermal imaging camera. Detect, inspect, measure, and visualize thermal energy in various environments, day or night. Capture and share thermal photos and videos with ease.

Turn phone into thermal cameraCapture and share thermal photos/videosTake spot temperatures
🔧 Utilities
(321)
free
7
RIDGID Thermal
RIDGID Thermal
RIDGID Thermal
by The Ridge Tool Company
Free

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.

Wi-Fi image transferThermal image analysisSpot measurements
📷 Photo & Video
(128)
free
8
Infrared Thermal Imager
Infrared Thermal Imager
Infrared Thermal Imager
Infrared Thermal Imager
Free

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.

Wide temperature measurement rangePicture and video captureHigh and low temperature tracking
🔧 Utilities
(1)
free
9
Thermal Effect: Night Camera
Thermal Effect: Night Camera
Thermal Effect: Night Camera
Infrared, X-ray Filter Vision
Free

Explore the world through a thermal lens with this app. It transforms your photos and videos with various heat vision effects, emulating different thermal imaging devices. Easily create and share unique visual content.

Thermal imaging effectsHeat vision filtersMultiple viewing modes
🔧 Utilities
(111)
subscription
10
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
11
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
12
ThermCam
ThermCam
ThermCam
Thermal camera for IOS devices
Free

This app transforms thermal imaging devices into a visual tool for real-time temperature analysis. Capture photos, record videos, and perform professional temperature measurements with advanced editing and reporting features. It's designed for industrial inspections, electrical checks, and vehicle maintenance.

Real-time visual temperature imagingRemote infrared camera controlPhoto and video capture
🔧 Utilities
(1)
free
13
Thermals
Thermals
Thermals
Is your phone throttling?
Free

Monitor your device's thermal state and processor activity to diagnose performance issues. Understand why your phone might be running slowly, charging slowly, or have reduced brightness due to overheating. Export data for further analysis with other development tools.

Displays device thermal stateShows active processor countMonitors device uptime
🛠️ Developer Tools
(26)
free
14
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
(793)
ad-supported
15
Night Vision Thermal Filter ㅤ
Night Vision Thermal Filter ㅤ
Night Vision Thermal Filter ㅤ
Infrared heat image & video
Free

Enhance your photos and videos with various filters like night vision, thermal, x-ray, and neon. Explore darkness or create unique visuals. A free trial offers access to premium features before a subscription.

Night vision filterThermal filterX-ray filter
🔧 Utilities
(221)
free with in-app purchases
16
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
17
Heat Nightcap: Thermal Vision
Heat Nightcap: Thermal Vision
Heat Nightcap: Thermal Vision
Imaging with ultraviolet light
Free

Apply captivating thermal effects to your photos with a variety of filters. Easily adjust sensitivity, save, and share your artistic creations. This app offers an intuitive interface for effortless visual enhancement.

Thermal filtersFilter sensitivity adjustmentSave and share creations
📷 Photo & Video
(43)
free with in-app purchases
18
Infrared Camera - Thermal View
Infrared Camera - Thermal View
Infrared Camera - Thermal View
Night Vision & Thermal Effect
Free

Transform your iPhone into a thermal imaging camera with real-time visual effects. Explore dark environments with enhanced low-light processing and choose from 34 unique thermal and vision filters. Capture photos and videos with simulated thermal effects.

Real-time thermographic visual effects34 thermal and vision filtersEnhanced low-light processing
📷 Photo & Video
(0)
free with in-app purchases
19
Body Temperature App
Body Temperature App
Body Temperature App
Body Temperature Log For Fever
Free

This app allows users to log body temperature readings along with associated symptoms like cough or body pain. It facilitates easy sharing of this data with healthcare providers via email. The application supports managing records for multiple individuals and integrates with Apple's Health App.

Log body temperature readingsRecord associated symptomsShare data via email
🏥 Medical
(454)
free with in-app purchases
20
Thermal Vision: Filter Camera
Thermal Vision: Filter Camera
Thermal Vision: Filter Camera
Night & Infrared Effect
Free

Transform your photos and videos with unique thermal effects. Explore five dynamic filters, adjust sensitivity, and easily save or share your creative captures. Perfect for photographers and experimenters seeking an extraordinary visual edge.

Five unique thermal filtersAdjustable filter sensitivityPhoto and video capture
🔧 Utilities
(462)
subscription

FAQ about Thermal Detection App

What is the best thermal detection app for iPhone?
Flir One tops our thermal detection app ranking as of July 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 detection app we rank are free to download, including Flir One and Night Vision Thermal Camera.
Flir One has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
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.