Best Infrared Sensor Apps

249+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated November 2026

Out of 249+ infrared sensor 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 Infrared Sensor Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Flir OneFlir OneFree4.6★ (7.7K)NoYesNov 2026
2Night Vision - Camera & VideoNight Vision - Camera & VideoFree4.5★ (6.6K)YesYesNov 2026
3Thermal Camera: Heat Sensor FXThermal Camera: Heat Sensor FXFree3.0★ (2)NoYesNov 2026
4Infrared Thermal ImagerInfrared Thermal ImagerFree3.0★ (1)NoNoSep 2026
5Heat Sensor CameraHeat Sensor CameraFree4.5★ (116)YesYesNov 2026
6Necto SensorNecto SensorFree4.7★ (6)NoNoOct 2026
7Sensor GlobeSensor GlobeFree—NoNoAug 2026
8Spot Size CalculatorSpot Size CalculatorFree—NoNoMay 2026

Top Picks for Infrared Sensor

Flir One#1

Flir One by FLIR Systems Aktiebolag

Thermal Camera for Smartphones
Editor's Choice
📷 Photo & Video
4.6😐(7.7K 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
  • 🚀 Simple but informative
  • 🚀 Works great as advertised & very user friendly
  • 🚀 Awesome system saves time and money

Room to Improve

  • 🐛 Image alignment issues
  • 🐛 Scam - won't connect
  • 🐛 Poor App/Image refresh
  • 🐛 Waste of money
  • 🐛 Poor UX, only real option
  • 🔋 Poor battery life
  • 🔒 Privacy issue
  • 🔒 Requires full access to photos
  • 🔒 Watermark advertising
Night Vision - Camera & Video#2

Night Vision - Camera & Video by Aleksei Metelkin

Super thermal cam infrared IR
Strong Contender
📷 Photo & Video
4.5😞(6.6K 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
Thermal Camera: Heat Sensor FX#3

Thermal Camera: Heat Sensor FX by Nergis Sadiklar

Night Vision & Infrared Filter
Worth Considering
📷 Photo & Video
3.0(2 ratings)
FreeIn-App Purchases
Thermal Camera: Heat Sensor FX screenshot 1
Thermal Camera: Heat Sensor FX screenshot 2
Thermal Camera: Heat Sensor FX screenshot 3
Thermal Camera: Heat Sensor FX screenshot 4
Thermal Camera: Heat Sensor FX screenshot 5
Thermal Camera: Heat Sensor FX screenshot 6

Transform your device's camera into a thermal imager or night vision camera. Apply various visual effects and filters to create unique photos and videos for social media or creative projects. Includes standard camera and gallery features.

More Infrared Sensor apps to explore

FAQ about Infrared Sensor

What are the best infrared sensor apps for iPhone?
Flir One tops our infrared sensor apps ranking as of November 2026, with a 4.6-star average from 7.7K App Store ratings, and it's free to download.
Yes — 20 of the top infrared sensor apps we rank are free to download, including Flir One and Night Vision - Camera & Video.
Flir One has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 249+ infrared sensor apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.