# IRT Assistant vs Thermal Effect

The clearest difference is in-app purchases: IRT Assistant at none against Thermal Effect's 2. Thermal Effect's advantage is update cadence (daily vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Thermal Effect sells 2 in-app purchases, starting at $4.99 per 7 days. IRT Assistant asks for nothing beyond the download.

IRT Assistant ships an update every 2 months, Thermal Effect daily. The most recent releases landed on September 16, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | IRT Assistant | Thermal Effect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (155 ratings)](https://appshunter.io/ios/app/thermal-effect-night-camera/id6480454416/reviews)** |
| Number of ratings | — | **155** |
| Positive reviews | — | 22.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | — | Subscription |
| Size | 91 MB | 6 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen CZF Intelligence Technology Co.,Ltd](https://appshunter.io/developer/1714166337) | [Taalaibek Abakirov](https://appshunter.io/developer/1845047526) |

## What reviewers say

### IRT Assistant

[App page](https://appshunter.io/ios/app/irt-assistant/id6470749965)

**Features:** macOS Compatibility

**In-app purchases:** none


### Thermal Effect

[App page](https://appshunter.io/ios/app/thermal-effect-night-camera/id6480454416)

Explore the world through a thermal lens with this app. It transforms your photos and videos with various heat vision effects, emulating different thermal imaging devices. Easily create and share unique visual content.

**Highlights:** Thermal imaging effects, Heat vision filters, Multiple viewing modes, Photo and video enhancement, Easy to use interface, Share creations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thermal Effects Weekly Trial | $4.99 | per 7 days |
| Thermal Effects Weekly Promo | $4.99 | per 7 days |


## Frequently asked questions

### Is IRT Assistant free?

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

### Is Thermal Effect free?

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

### Do IRT Assistant or Thermal Effect have ads?

Neither IRT Assistant nor Thermal Effect shows ads.

### Which is updated more often, IRT Assistant or Thermal Effect?

IRT Assistant ships an update every 2 months, and Thermal Effect daily. Most recently, IRT Assistant was updated on September 16, 2026 and Thermal Effect on September 26, 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.*