# Motion Sensor vs Thermal Vision FX Camera

The clearest difference is price: Thermal Vision FX Camera at Free against Motion Sensor's $4.99. Thermal Vision FX Camera also leads on rating (4.4 vs 4.2) and ratings volume (793 vs 257). Motion Sensor's advantage is ads (none vs shown) and review sentiment (39% vs 21%). On update cadence, in-app purchases and device support there is nothing between them.

Thermal Vision FX Camera is free to download; Motion Sensor costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Thermal Vision FX Camera holds the better App Store score, 4.4 against 4.2. Both are backed by a comparable volume of ratings — 257 and 793 respectively. Written reviews complicate that: 39% of Motion Sensor's written reviews are positive against 21% of Thermal Vision FX Camera's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 22, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Motion Sensor | Thermal Vision FX Camera |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.2 (257 ratings)](https://appshunter.io/ios/app/motion-sensor/id1288112430/reviews) | **[4.4 (793 ratings)](https://appshunter.io/ios/app/thermal-vision-fx-camera-itvc/id6444025764/reviews)** |
| Number of ratings | 257 | **793** |
| Positive reviews | **38.8% of reviews** | 21.1% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 72 MB | 9 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Emmanuel Lauro Garsd](https://appshunter.io/developer/1856657410) | [Masaharu Tsukamoto](https://appshunter.io/developer/939316877) |

## What reviewers say

### Motion Sensor

[App page](https://appshunter.io/ios/app/motion-sensor/id1288112430)

This application acts as a motion detector, automatically recording video when movement is detected. It offers various features for surveillance, security, or capturing pet activities. Videos can be saved to cloud storage or viewed within the app.

**Highlights:** Automatic video recording on motion detection, Cloud storage integration (Dropbox, iCloud), Adjustable video resolution and frame rate, Configurable detection zones and schedules, In-app gallery and video playback, Customizable motion sensitivity and recording duration

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

**In-app purchases:** none

**What reviewers like**

- 👍 Good for naps at work
- 👍 Excellent apps!
- 👍 Pretty cool little app
- 👍 Works as it should
- 👍 Children loved to discover how nature documentary are done

**What reviewers complain about**

- 🐛 Undulations like on a boat
- 🐛 Motion detection always triggers immediately
- 🐛 Video captured is also undulating
- 🐛 Turning off autofocus has no effect
- 🐛 Cannot set camera zoom

**Reported bugs**

- Preview undulates like waves
- Motion detection triggers immediately
- Video captured is undulating
- Autofocus has no effect
- App crashes frequently

**Requested features**

- Power save option button
- Zoom feature
- Ability to hide the screen when recording
- Ability to run in background when screen is locked
- Manual focus feature


### 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 Motion Sensor free?

Motion Sensor costs $4.99, 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, Motion Sensor or Thermal Vision FX Camera?

Thermal Vision FX Camera is rated higher. Motion Sensor averages 4.2 out of 5 from 257 ratings, while Thermal Vision FX Camera averages 4.4 from 793 ratings.

### Do Motion Sensor or Thermal Vision FX Camera have ads?

Thermal Vision FX Camera shows ads; Motion Sensor does not.

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

Motion Sensor ships an update every 3 weeks, and Thermal Vision FX Camera every 3 weeks. Most recently, Motion Sensor was updated on September 22, 2026 and Thermal Vision FX Camera on September 25, 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.*