# caQtDM vs XT UART

The clearest difference is iOS requirement: XT UART at 13.0 against caQtDM's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

caQtDM ships an update every 5 months, XT UART every 4 months. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | caQtDM | XT UART |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Size | 68 MB | 6 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Helge Brands](https://appshunter.io/developer/922076961) | [Shenzhen Lanke Xuntong Technology Co., Ltd.](https://appshunter.io/developer/640898259) |

## What reviewers say

### caQtDM

[App page](https://appshunter.io/ios/app/caqtdm/id922076962)

**Features:** macOS Compatibility

**In-app purchases:** none


### XT UART

[App page](https://appshunter.io/ios/app/xt-uart/id1448659811)

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

**In-app purchases:** none


## Frequently asked questions

### Is caQtDM free?

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

### Is XT UART free?

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

### Do caQtDM or XT UART have ads?

Neither caQtDM nor XT UART shows ads.

### Which is updated more often, caQtDM or XT UART?

caQtDM ships an update every 5 months, and XT UART every 4 months. Most recently, caQtDM was updated on October 12, 2026 and XT UART on October 16, 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.*