# YY BMS vs chamrider BMS

The clearest difference is update cadence: chamrider BMS at daily against YY BMS's every 6 weeks. 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.

YY BMS ships an update every 6 weeks, chamrider BMS daily. The most recent releases landed on September 7, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | YY BMS | chamrider BMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Size | 30 MB | 20 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Wuhan Yanyang IoT Technology Co., Ltd.](https://appshunter.io/developer/1573509034) | [笠 张](https://appshunter.io/developer/1714630321) |

## What reviewers say

### YY BMS

[App page](https://appshunter.io/ios/app/yy-bms/id1574291362)

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

**In-app purchases:** none


### chamrider BMS

[App page](https://appshunter.io/ios/app/chamrider-bms/id6471078242)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is YY BMS free?

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

### Is chamrider BMS free?

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

### Do YY BMS or chamrider BMS have ads?

Neither YY BMS nor chamrider BMS shows ads.

### Which is updated more often, YY BMS or chamrider BMS?

YY BMS ships an update every 6 weeks, and chamrider BMS daily. Most recently, YY BMS was updated on September 7, 2026 and chamrider BMS on September 22, 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.*