# Flir One vs Thermal Vision FX Camera

The clearest difference is in-app purchases: Thermal Vision FX Camera at none against Flir One's 1. Thermal Vision FX Camera also leads on iOS requirement (15.6 vs 18.0). Flir One's advantage is ads (none vs shown) and rating (4.6 vs 4.4). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. Flir One sells 1 in-app purchase, starting at $29.99 per year. Thermal Vision FX Camera asks for nothing beyond the download.

Flir One holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Flir One has 7.6K ratings behind it against 797, so its average is the more settled of the two. Written reviews split almost evenly too, at 22% and 21% positive.

Flir One ships an update every 5 weeks, Thermal Vision FX Camera every 3 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Flir One | Thermal Vision FX Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (7.6K ratings)](https://appshunter.io/ios/app/flir-one/id875842742/reviews)** | [4.4 (797 ratings)](https://appshunter.io/ios/app/thermal-vision-fx-camera-itvc/id6444025764/reviews) |
| Number of ratings | **7.6K** | 797 |
| Positive reviews | **21.6% of reviews** | 21.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 178 MB | 9 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FLIR Systems Aktiebolag](https://appshunter.io/developer/408612990) | [Masaharu Tsukamoto](https://appshunter.io/developer/939316877) |

## What reviewers say

### Flir One

[App page](https://appshunter.io/ios/app/flir-one/id875842742)

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:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Inspection Guides | $29.99 | per year |

**What reviewers like**

- 🚀 Great for finding animals
- 🚀 Excellent affordable option for home inspection
- 🚀 Valued piece of tech for animal rescue
- 🚀 Excellent piece of equipment
- 🚀 Simple but informative

**What reviewers complain about**

- 🐛 Image alignment issues
- 🐛 Scam - won't connect
- 🐛 Poor App/Image refresh
- 🐛 Waste of money
- 🐛 Poor UX, only real option

**Reported bugs**

- Constantly disconnecting
- App crashes
- Doesn't work with older devices after updates
- Slow refresh rate and high latency
- App requires full photo library access

**Requested features**

- 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


### Thermal Vision FX Camera

[App page](https://appshunter.io/ios/app/thermal-vision-fx-camera-itvc/id6444025764)

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.

**Highlights:** Real-time thermal vision filters, Live heat imaging effects, Video recording via iOS screen recording, Photo and video enhancement

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ⭐ Great app
- 💫 Magic
- 🔍 Detected heat signatures

**What reviewers complain about**

- 🚫 Does not work
- 💤 Only shows light, not heat
- 📺 Too many ads
- 🔍 Not a real thermal camera
- 🤔 Doesn't work in the dark

**Reported bugs**

- Crashes
- Freezes
- Incompatible with some devices

**Requested features**

- Exit full screen mode
- Night vision mode


## Frequently asked questions

### Is Flir One free?

Flir One is free to download, with in-app purchases available.

### Is Thermal Vision FX Camera free?

Thermal Vision FX Camera is free to download, with no in-app purchases.

### Which has better reviews, Flir One or Thermal Vision FX Camera?

Flir One is rated higher. Flir One averages 4.6 out of 5 from 7.6K ratings, while Thermal Vision FX Camera averages 4.4 from 797 ratings.

### Do Flir One or Thermal Vision FX Camera have ads?

Thermal Vision FX Camera shows ads; Flir One does not.

### Which is updated more often, Flir One or Thermal Vision FX Camera?

Flir One ships an update every 5 weeks, and Thermal Vision FX Camera every 3 weeks. Most recently, Flir One was updated on November 1, 2026 and Thermal Vision FX Camera on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*