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Best Thermal Apps

250+ iOS apps curated and reviewed

3.5 avg rating
20 free apps
Updated August 2026

Out of 250+ thermal apps 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 Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Flir OneFlir OneFree4.6★ (7.6K)NoYesAug 2026
2Night Vision Thermal CameraNight Vision Thermal CameraFree3.7★ (24K)NoYesAug 2026
3Night Vision - Camera & VideoNight Vision - Camera & VideoFree4.5★ (6.4K)YesYesAug 2026
4Thermal Imaging Camera FiltersThermal Imaging Camera FiltersFree4.3★ (11)NoYesAug 2026
5Thermal MobileThermal MobileFree1.9★ (16)NoNoJul 2026
6Thermal ProThermal ProFree1.0★ (1)NoNoAug 2026
7Thermal & Night Vision CameraThermal & Night Vision CameraFree4.4★ (735)YesYesAug 2026
8Alpen ThermalAlpen ThermalFree5.0★ (2)NoNoMay 2026

Top Picks for Thermal

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
Night Vision - Camera & Video#3

Night Vision - Camera & Video by Aleksei Metelkin

Super thermal cam infrared IR
Worth Considering
📷 Photo & Video
4.5😞(6.4K ratings)
FreeAdsIn-App Purchases
Night Vision - Camera & Video screenshot 1
Night Vision - Camera & Video screenshot 2
Night Vision - Camera & Video screenshot 3

Transform your iPhone into a night vision device. Utilize advanced camera features to see in low-light conditions, with different range capabilities for front and back cameras. Explore enhanced visibility for various scenarios.

What We Love

  • 👍 Works as advertised
  • 🚀 Surprising and impressive results
  • 💡 Useful for seeing in the dark

Room to Improve

  • 🔒 Paywall restricts full functionality
  • 🐛 Glitchy and laggy performance
  • 🔋 Time-limited free trial

More Thermal apps to explore

4
Thermal Imaging Camera Filters
Thermal Imaging Camera Filters
Thermal Imaging Camera Filters
Night Vision Camera Filters UV
Free

Capture stunning photos and locate pets in low light with thermal vision technology. This app enhances visibility in darkness for night photography and pet finding, offering adjustable intensity and instant access to saved moments.

Thermal vision for dark environmentsPet finder functionalityNight photography and video
📷 Photo & Video
(11)
subscription
5
Thermal Mobile
Thermal Mobile
Thermal Mobile
by UNI-TREND TECHNOLOGY (CHINA) CO.,LTD.
Free

Connect your smartphone to a thermal camera for real-time image transmission. Analyze, edit, and share thermal images directly within the application.

Real-time image transmissionImage analysisImage editing
🔧 Utilities
(16)
free
6
Thermal Pro
Thermal Pro
Thermal Pro
by Shenzhen Leagend Optoelectronics Co., Ltd.
Free

This portable thermal imager converts object heat radiation into images and temperature data. It offers high-resolution thermal imaging, real-time temperature measurement, and various display modes. Users can record videos, set alarms, and generate detailed analysis reports.

256x192 pixel infrared resolutionReal-time high-definition thermal imagingTemperature range -20℃ to 550℃
🔧 Utilities
(1)
free
7
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
8
Alpen Thermal
Alpen Thermal
Alpen Thermal
by 广权 黄
Free

This app enables real-time video transmission via WiFi for FPV (First Person View) applications. It allows users to capture snapshots, record videos, and browse saved files directly from their connected device.

Real-time WiFi video transmissionFPV capabilitiesSnapshot capture
📷 Photo & Video
(2)
free
9
Thermal Master
Thermal Master
Thermal Master
by Thermal Master Technology Co.,Ltd.
Free

This utility app connects to specific thermal camera models, offering enhanced thermal imaging capabilities. It features an upgraded algorithm for clearer heat source detection and supports digital zoom for precise target identification. The app provides lifetime free software upgrades.

Connects to P, X, DV, and T2Max series thermal camerasUpgraded Insight+ algorithm for noise suppressionEnhanced heat source visibility
🔧 Utilities
(14)
free
10
Thermal Camera: Night Vision.
Thermal Camera: Night Vision.
Thermal Camera: Night Vision.
Imaging with infrared light
Free

Transform your photos with unique thermal filters and adjust their sensitivity for a personalized artistic vision. Save and share your creations easily with a simple, user-friendly interface. This app offers a gateway to extraordinary art for photographers of all levels.

Capture photos with thermal filtersAdjust filter sensitivitySave creations to device
🔧 Utilities
(49)
free with in-app purchases
11
Thermal Xplorer
Thermal Xplorer
Thermal Xplorer
by UNI-TREND TECHNOLOGY (CHINA) CO.,LTD.
Free

View real-time thermal images from compatible outdoor cameras via WiFi. This app allows for remote capture, video recording, and easy sharing of thermal imaging data, useful for both day and night observation.

Real-time thermal image viewingWiFi connection to camerasRemote capture functionality
🔧 Utilities
(12)
free
12
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
13
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
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
(792)
ad-supported
15
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
16
Thermal TP Series
Thermal TP Series
Thermal TP Series
by MILESEEY TECHNOLOGY (HONG KONG) CO. , LIMITED
Free

This utility app connects to a thermal camera to help users find hidden issues in electrical systems, HVAC, and water damage. It allows for temperature adjustments, color palette customization, and image/video capture.

Connects to TP2 Thermal CameraTroubleshoot electrical panelsPinpoint HVAC failures
🔧 Utilities
(0)
free
17
Thermal Heat - Camera Filters
Thermal Heat - Camera Filters
Thermal Heat - Camera Filters
Effect: Infrared, Night Vision
Free

Transform your photos and videos with simulated thermal, low-light, and UV-style artistic filters. This entertainment app offers creative effects for a unique visual flair, with options for photo and video capture, object detection, and zoom.

Simulated thermal filtersLow-light and UV-style effectsPhoto and video capture
🔧 Utilities
(39)
free with in-app purchases
18
Thermal Printer
Thermal Printer
Thermal Printer
by 婷婷 曾
Free

Connect to a Bluetooth thermal printer to print documents and images directly from your device. Easily send files for quick, on-the-go printing.

Bluetooth connectivityDocument printingImage printing
🔧 Utilities
(0)
free
19
Thermal Supply, Inc. App
Thermal Supply, Inc. App
Thermal Supply, Inc. App
Shop top HVAC/R/FS brands
Free
🛍️ Shopping
(0)
20
Sabja - Device Thermal Monitor
Sabja - Device Thermal Monitor
Sabja - Device Thermal Monitor
Know before it throttles
Free
🔧 Utilities
(0)

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FAQ about Thermal

What are the best thermal apps for iPhone?
Flir One tops our thermal 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 apps 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 August 2026.
We track 250+ thermal 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.

Related searches

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