# C523 vs Thermal Camera

The clearest difference is in-app purchases: C523 at none against Thermal Camera's 2. C523 also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Thermal Camera sells 2 in-app purchases, starting at $7.99 per 7 days. C523 asks for nothing beyond the download.

C523 ships an update every 6 weeks, Thermal Camera every 3 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | C523 | Thermal Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/thermal-camera-heat-sensor-fx/id6809135365/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 24 MB | 20 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [广权 黄](https://appshunter.io/developer/1330080046) | [Nergis Sadiklar](https://appshunter.io/developer/1791715574) |

## What reviewers say

### C523

[App page](https://appshunter.io/ios/app/c523/id6790296076)

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

**In-app purchases:** none


### Thermal Camera

[App page](https://appshunter.io/ios/app/thermal-camera-heat-sensor-fx/id6809135365)

Transform your device's camera into a thermal imager or night vision camera. Apply various visual effects and filters to create unique photos and videos for social media or creative projects. Includes standard camera and gallery features.

**Highlights:** Thermal vision palettes, Night vision modes, FX filters (glitch, scanline, etc.), HUD with hot/cold spot markers, MSX detail overlay, Video recording, Camera roll import

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thermal Camera Pro Weekly | $7.99 | per 7 days |
| Thermal Camera Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is C523 free?

C523 is free to download, with no in-app purchases.

### Is Thermal Camera free?

Thermal Camera is free to download, with in-app purchases available.

### Do C523 or Thermal Camera have ads?

Neither C523 nor Thermal Camera shows ads.

### Which is updated more often, C523 or Thermal Camera?

C523 ships an update every 6 weeks, and Thermal Camera every 3 weeks. Most recently, C523 was updated on October 22, 2026 and Thermal Camera on October 24, 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.*