# TopInfrared vs Culligan

The clearest difference is in-app purchases: Culligan at none against TopInfrared's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TopInfrared sells 1 one-off in-app purchase. Culligan asks for nothing beyond the download.

## The numbers

| Metric | TopInfrared | Culligan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (48 ratings)](https://appshunter.io/ios/app/topinfrared/id6452017744/reviews)** | — |
| Number of ratings | **48** | — |
| Positive reviews | 39.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 518 MB | 207 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) | [Culligan Water Treatment Technology (Shanghai) Co., Ltd.](https://appshunter.io/developer/1445345492) |

## What reviewers say

### TopInfrared

[App page](https://appshunter.io/ios/app/topinfrared/id6452017744)

This thermal imaging camera app provides high-resolution thermal images for precise temperature detection. It's ideal for inspecting insulation, examining electronics, and identifying heat loss with excellent accuracy and sensitivity.

**Highlights:** High-resolution thermal imaging (256x192), Precise temperature detection, Insulation inspection, Circuit board examination, High heat sensitivity (40mk), Low power consumption

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Features | $19.99 | one-time |


### Culligan

[App page](https://appshunter.io/ios/app/culligan/id6532604971)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TopInfrared free?

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

### Is Culligan free?

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

### Do TopInfrared or Culligan have ads?

Neither TopInfrared nor Culligan shows ads.

---

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