# XY BMS vs Aray Ess

The clearest difference is iOS requirement: XY BMS at 11.0 against Aray Ess's 13.0. 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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | XY BMS | Aray Ess |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 30 MB | 29 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [小宁 冯](https://appshunter.io/developer/1706837355) | [深圳市傲雷新能源科技有限公司](https://appshunter.io/developer/1830665558) |

## What reviewers say

### XY BMS

[App page](https://appshunter.io/ios/app/xy-bms/id6514303563)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aray Ess

[App page](https://appshunter.io/ios/app/aray-ess/id6752018449)

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

**In-app purchases:** none


## Frequently asked questions

### Is XY BMS free?

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

### Is Aray Ess free?

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

### Do XY BMS or Aray Ess have ads?

Neither XY BMS nor Aray Ess shows ads.

### Which is updated more often, XY BMS or Aray Ess?

XY BMS ships an update every 3 months, and Aray Ess every 3 months. Most recently, XY BMS was updated on October 7, 2026 and Aray Ess on October 8, 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.*