Comparison

Flir One vs X

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Flir One

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.

Highlights
  • Thermal camera view
  • Capture photos and videos
  • Temperature spot measurements
  • Color palette selection
  • Add text notes
  • Cloud upload and organization
  • Inspection guides
Features
Read full description

Connect your FLIR ONE® series Thermal Camera for efficient troubleshooting and inspection. Note: This app requires the FLIR ONE series Thermal Camera connected to your smartphone in order to see the thermal camera view, but feel free to explore the app without the device attached. For more information, visit www.flir.com/flirone. Whether you need to inspect electrical panels, find the source of HVAC failures, or discover hidden water damage, the FLIR ONE series offers the features you need to find problems faster and get more work done in less time. With advanced image enhancement features such as FLIR MSX® and FLIR VividIR™, the FLIR ONE series provides best-in-class thermal imagery for smartphones that ensures you can detect problems with precision. The revolutionary rugged and ergonomic camera design combined with the wireless connection of the FLIR ONE Edge series ensures that you can perform efficient troubleshooting with the camera attached to the phone, and have the increased flexibility of detaching the camera to easily inspect targets out of reach, while comfortably viewing your screen. Key FLIR ONE App features: • Scan for faults with the thermal camera view and capture photos and videos to your gallery • Troubleshoot efficiently with automatic tracking of the hottest and coldest spot (Edge Series and Pro Series only) • Choose between a variety of color palettes for best visualization • Analyze faults with temperature spot measurements • Adjust the IR scale to highlight the problem (Edge and Pro Series only) • Switch between Quality Mode for best possible image quality, or Performance Mode for a more responsive camera experience • Add text notes to photos to document your findings • Connecting to FLIR Ignite™ allows you to instantly upload your files to the cloud, so you can access them from any device, organize files into folders, edit images, create reports and share findings with co-workers and clients • FLIR ONE Inspection Guides (paid feature) empowers you to identify issues with confidence, through step-by-step guides packed with helpful tips on how to identify moisture, insulation and air leak issues • Explore the eco-system of a wide range of FLIR ONE compatible apps tailored for specific use cases For additional application ideas and news, or to share your day-to-day discoveries, follow FLIR on social media channels at facebook.com/flir, instagram.com/flir, x.com/flir, and youtube.com/flir. Terms of use: https://www.flir.com/corporate/terms-of-use/

About

X

Simulate an X-ray vision filter to create unique and fun images for social media or pranks. This app is for entertainment purposes only and is not a real medical scanner.

Highlights
  • X-ray vision filter simulation
  • Create unique social images
  • Fun prank tool
  • Photo FX editing
  • Profile picture enhancement
Features
Read full description

The ultimate X-Ray Style Filter Simulation Photo FX has arrived for your device! X-Ray Vision Photo FX Scanner is not a REAL X-Ray scanner, however it simulates the filter style of FX that is used, so you can create awesome images! Get creative with your pictures by using this for unique profile pictures on your favorite social networking sites, or amaze friends and family! It can also be used as a great prank by pretending your device can be used as a X Ray body scanner! Enjoy, and please use sensibly! **Disclaimer - The developers of this application are not responsible for any misuse resulting in the use of this application, X-Ray Vision FX Photo Booth is a photo fx app that is NOT to be used for medical purposes, and does not provide any medical information, it is purely a photo filter app to be used for prank or fun purposes only**

Screenshots

Flir One4 screens
X3 screens

Verdict

The call

The clearest difference is rating: Flir One at 4.6 against X's 1.0. Flir One also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 8 months). X's advantage is iOS requirement (12.0 vs 18.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Flir One sells 1 in-app purchase, starting at $29.99 per year and X sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Flir One holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Flir One has 7.6K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 22% of Flir One's written reviews are positive against 0% of X's.

UpkeepUpdate frequency

Flir One ships an update every 5 weeks, X every 8 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Flir One versus X: the parameters behind the verdict, then further details
ParameterFlir OneX
PriceFreeFree
Rating4.6 (7.6K ratings) — better1.0 (1 ratings)
Positive reviews21.6% of reviews — better0.0% of reviews
Number of ratings7.6K — better1
Update frequencyEvery 5 weeks — betterEvery 8 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.012.0 — better
Further details — not scored
Size178 MB64 MB
Age rating4+9+
DeveloperFLIR Systems AktiebolagiDevver Apps Limited

Customer experience

Flir One

All ratings7,615 ratings
Positive90.3%
Neutral3.0%
Negative6.7%
Written reviews375 reviews
Positive21.6%
Neutral6.9%
Negative71.5%

X

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Flir One

Reported bugs

7 issues
  • Constantly disconnecting
  • App crashes
  • Doesn't work with older devices after updates
  • Slow refresh rate and high latency
  • App requires full photo library access
Show 2 more
  • Freezes and paralyzes phone
  • Crashes on startup

Requested features

6 requests
  • Bring back swiping between thermal and regular images
  • Allow locking temperature scale
  • Add temperature range display
  • Allow setting own emissivity value
  • Allow selecting colors on manual temperature scale
Show 1 more
  • Improve camera alignment adjustability

X

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Flir One

Subscriptions1
  • Inspection Guides1 Year trial$29.991 Year
3 purchases

X

One-time3
  • Remove Ads$1.99
  • See Through Style FX Unlock$1.99
  • Unlock All FX & Remove Ads$2.99

Questions

Is Flir One free?
Flir One is free to download, with in-app purchases available.
Is X free?
X is free to download, with in-app purchases available.
Which has better reviews, Flir One or X?
Flir One is rated higher. Flir One averages 4.6 out of 5 from 7.6K ratings, while X averages 1.0 from 1 ratings.
Do Flir One or X have ads?
X shows ads; Flir One does not.
Which is updated more often, Flir One or X?
Flir One ships an update every 5 weeks, and X every 8 months. Most recently, Flir One was updated on November 6, 2026 and X on November 3, 2026.

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