# XT UART vs KSI BT Net

The clearest difference is update cadence: KSI BT Net at fortnightly against XT UART's every 4 months. KSI BT Net also leads on iOS requirement (9.3 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

XT UART ships an update every 4 months, KSI BT Net fortnightly. The most recent releases landed on October 16, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | XT UART | KSI BT Net |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 6 MB | 2 MB |
| Requires iOS | 13.0 | **9.3** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Lanke Xuntong Technology Co., Ltd.](https://appshunter.io/developer/640898259) | [Key Systems, Inc.](https://appshunter.io/developer/935715907) |

## What reviewers say

### XT UART

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

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

**In-app purchases:** none


### KSI BT Net

[App page](https://appshunter.io/ios/app/ksi-bt-net/id1448755195)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is XT UART free?

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

### Is KSI BT Net free?

KSI BT Net is free to download, with no in-app purchases.

### Do XT UART or KSI BT Net have ads?

Neither XT UART nor KSI BT Net shows ads.

### Which is updated more often, XT UART or KSI BT Net?

XT UART ships an update every 4 months, and KSI BT Net fortnightly. Most recently, XT UART was updated on October 16, 2026 and KSI BT Net on October 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.*