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Best Thermal Apps

230+ iOS apps curated and reviewed

3.8 avg rating
20 free apps
Updated May 2026

Out of 230+ 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.

Top Picks for Thermal

Flir One#1

Flir One by FLIR Systems Aktiebolag

Thermal Camera for Smartphones
Editor's Choice
📷 Photo & Video
4.6😐(7.5K 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
Night Vision Thermal Camera#2

Night Vision Thermal Camera by Florian Winter

Live camera filter effects
Strong Contender
📷 Photo & Video
3.7😞(23K 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

More Thermal apps to explore

4
Night Vision - Camera & Video
Night Vision - Camera & Video
Night Vision - Camera & Video
Super thermal cam infrared IR
Free

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.

Night vision device functionalityLow-light visibilityThermal camera simulation
📷 Photo & Video
(5.1K)
subscription
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
(697)
free with in-app purchases
6
Thermal Pro
Thermal Pro
Thermal Pro
by ShenzhenDaCheng software 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
(0)
free
7
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
(370)
subscription
8
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
(195)
free with in-app purchases
9
Thermal Vision FX Camera :iTVC
Thermal Vision FX Camera :iTVC
Thermal Vision FX Camera :iTVC
Live Heat Imaging Filter Magic
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
(761)
ad-supported
10
Thermal Filter: Camera Vision
Thermal Filter: Camera Vision
Thermal Filter: Camera Vision
Night Effects & Infrared Cam
Free

Transform your photos and videos with simulated thermal, infrared, and night vision effects. This creative camera tool offers a unique, futuristic twist to your content, perfect for artistic exploration and social media.

Simulated thermal camera modeInfrared-style effectsNight effects simulator
🔧 Utilities
(0)
free with in-app purchases
11
Night Eyes - Night Camera
Night Eyes - Night Camera
Night Eyes - Night Camera
Low light photography
Free

Capture photos in low light conditions with advanced residual light amplification. Enhance images in real-time or use exposure mode for detailed shots. Includes a luminance histogram, digital zoom, and color filters.

Residual light amplificationReal-time illuminationExposure mode up to 1 second
🔧 Utilities
(20K)
free with in-app purchases
12
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
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 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
(13)
free
15
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
16
Bluetooth Thermal Printer App
Bluetooth Thermal Printer App
Bluetooth Thermal Printer App
Mini app for receipt, label
Free

Create and print fully customized receipts and labels directly from your mobile device. Supports various content types including text, images, barcodes, and PDFs. Offers OCR functionality for bank receipts and multilingual printing.

Custom receipt and label creationPrint text, images, barcodes, QR codesOCR for bank payment receipts
💼 Business
(229)
subscription
17
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
18
Thermal Camera - Night Vision.
Thermal Camera - Night Vision.
Thermal Camera - Night Vision.
Imaging with infrared light
Free

Enhance your photos with captivating thermal effects. This app offers a variety of filters, customizable sensitivity, and easy sharing options. Its intuitive interface makes it simple for anyone to create unique and extraordinary art.

Thermal filtersCustomizable sensitivitySave and share photos
📷 Photo & Video
(39)
freemium
19
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
20
Thermal Test
Thermal Test
Thermal Test
by UNI-TREND TECHNOLOGY (CHINA) CO.,LTD.
Free
🎨 Graphics & Design
(0)

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