Comparison

Flir One vs Tachyon

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

Tachyon

Control your camera remotely to start/stop recordings, play back footage in slow motion, and download videos directly to your iOS device. This app enhances your camera's functionality for seamless video capture and management.

Highlights
  • Remote recording control
  • Slow-motion playback
  • Video download to device
  • iOS device as remote
  • Compatible with Tachyon cameras
Features
Read full description

Tachyon iOS App is designed to use with Tachyon cameras. The user can use iOS device as a remote controller to start and stop the recording, to playback in slo-mo, and to download the videos to their devices.

Screenshots

Flir One4 screens
Tachyon4 screens

Verdict

The call

The clearest difference is rating: Flir One at 4.6 against Tachyon's 1.0. Flir One also leads on ratings volume (7.6K vs 1) and review sentiment (21% vs 0%). Tachyon's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 18.0). On price, update cadence, ads 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. Tachyon asks for nothing beyond the download.

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: 21% of Flir One's written reviews are positive against 0% of Tachyon's.

UpkeepUpdate frequency

Flir One ships an update every 5 weeks, Tachyon every 6 weeks. The most recent releases landed on October 15, 2026 and September 26, 2026 respectively.

Scorecard6 real differences · 4 level
Flir One versus Tachyon: the parameters behind the verdict, then further details
ParameterFlir OneTachyon
PriceFreeFree
Rating4.6 (7.6K ratings) — better1.0 (1 ratings)
Positive reviews21.4% of reviews — better0.0% of reviews
Number of ratings7.6K — better1
Update frequencyEvery 5 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size178 MB52 MB
Age rating4+4+
DeveloperFLIR Systems AktiebolagChris Whitehouse

Customer experience

Flir One

All ratings7,615 ratings
Positive90.3%
Neutral3.0%
Negative6.7%
Written reviews374 reviews
Positive21.4%
Neutral7.0%
Negative71.7%

Tachyon

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

Tachyon

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Flir One

Subscriptions1
  • Inspection Guides1 Year trial$29.991 Year
None

Tachyon

No in-app purchases

Questions

Is Flir One free?
Flir One is free to download, with in-app purchases available.
Is Tachyon free?
Tachyon is free to download, with no in-app purchases.
Which has better reviews, Flir One or Tachyon?
Flir One is rated higher. Flir One averages 4.6 out of 5 from 7.6K ratings, while Tachyon averages 1.0 from 1 ratings.
Do Flir One or Tachyon have ads?
Neither Flir One nor Tachyon shows ads.
Which is updated more often, Flir One or Tachyon?
Flir One ships an update every 5 weeks, and Tachyon every 6 weeks. Most recently, Flir One was updated on October 15, 2026 and Tachyon on September 26, 2026.

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