# yBMS vs chamrider BMS

The clearest difference is update cadence: chamrider BMS at daily against yBMS's every 13 months. 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.

yBMS ships an update every 13 months, chamrider BMS daily. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | yBMS | chamrider BMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Daily** |
| Size | 17 MB | 20 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [珉媛 杨](https://appshunter.io/developer/1538244691) | [笠 张](https://appshunter.io/developer/1714630321) |

## What reviewers say

### yBMS

[App page](https://appshunter.io/ios/app/ybms/id1564433023)

**Features:** macOS Compatibility

**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 yBMS free?

yBMS 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 yBMS or chamrider BMS have ads?

Neither yBMS nor chamrider BMS shows ads.

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

yBMS ships an update every 13 months, and chamrider BMS daily. Most recently, yBMS was updated on October 18, 2026 and chamrider BMS on October 9, 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.*