# Thermal Viewer vs Thermal Vision FX Camera

The clearest difference is ads: Thermal Viewer at none against Thermal Vision FX Camera's shown. Thermal Viewer also leads on monetization model (free vs ad-supported) and iOS requirement (9.0 vs 15.6). Thermal Vision FX Camera's advantage is ratings volume (798 vs 3). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.3 for Thermal Viewer against 4.4 for Thermal Vision FX Camera. That said, the two scores are not equally well evidenced: Thermal Vision FX Camera has 798 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 17% of Thermal Viewer's written reviews are positive against 21% of Thermal Vision FX Camera's.

Thermal Viewer ships an update every 6 weeks, Thermal Vision FX Camera every 3 weeks. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Thermal Viewer | Thermal Vision FX Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/thermal-viewer/id1440101318/reviews) | **[4.4 (798 ratings)](https://appshunter.io/ios/app/thermal-vision-fx-camera-itvc/id6444025764/reviews)** |
| Number of ratings | 3 | **798** |
| Positive reviews | 16.7% of reviews | **21.1% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 35 MB | 9 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan Guide Infrared Co.,Ltd.](https://appshunter.io/developer/688744536) | [Masaharu Tsukamoto](https://appshunter.io/developer/939316877) |

## What reviewers say

### Thermal Viewer

[App page](https://appshunter.io/ios/app/thermal-viewer/id1440101318)

This application allows users to control and capture images and videos from a thermal camera. It offers adjustments for zoom, color palettes, brightness, contrast, and image enhancement. Users can also manage camera settings like sleep timers and indicator lights.

**Highlights:** Adjustable zoom, pseudocolor, brightness, contrast, Image enhancement, Photo and video capture, View captured images and videos, Adjust auto-sleep and auto-shutdown timers, Control indicator lights and laser cursor

**In-app purchases:** none


### 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 Thermal Viewer free?

Thermal Viewer is free to download, with no in-app purchases.

### Is Thermal Vision FX Camera free?

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

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

Thermal Vision FX Camera is rated higher. Thermal Viewer averages 4.3 out of 5 from 3 ratings, while Thermal Vision FX Camera averages 4.4 from 798 ratings.

### Do Thermal Viewer or Thermal Vision FX Camera have ads?

Thermal Vision FX Camera shows ads; Thermal Viewer does not.

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

Thermal Viewer ships an update every 6 weeks, and Thermal Vision FX Camera every 3 weeks. Most recently, Thermal Viewer was updated on November 2, 2026 and Thermal Vision FX Camera on November 7, 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.*