# xWristband vs UOOK BMS

The clearest difference is update cadence: UOOK BMS at weekly against xWristband's every 5 weeks. xWristband's advantage is iOS requirement (13.0 vs 16.4). 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.

xWristband ships an update every 5 weeks, UOOK BMS weekly. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | xWristband | UOOK BMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Size | 31 MB | 6 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Lanke Xuntong Technology Co., Ltd.](https://appshunter.io/developer/640898259) | [SYSCODE INTERNATIONAL INC.](https://appshunter.io/developer/1056483582) |

## What reviewers say

### xWristband

[App page](https://appshunter.io/ios/app/xwristband/id6444101837)

**In-app purchases:** none


### UOOK BMS

[App page](https://appshunter.io/ios/app/uook-bms/id6475134191)

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

**In-app purchases:** none


## Frequently asked questions

### Is xWristband free?

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

### Is UOOK BMS free?

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

### Do xWristband or UOOK BMS have ads?

Neither xWristband nor UOOK BMS shows ads.

### Which is updated more often, xWristband or UOOK BMS?

xWristband ships an update every 5 weeks, and UOOK BMS weekly. Most recently, xWristband was updated on October 25, 2026 and UOOK BMS 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.*