# Yi BMS vs Trion BMS

The clearest difference is ads: Trion BMS at none against Yi BMS's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Yi BMS | Trion BMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Size | 32 MB | 72 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Shenzhen Yifang new energy technology Co., Ltd](https://appshunter.io/developer/1727822039) | [Trion BMS](https://appshunter.io/developer/1846498544) |

## What reviewers say

### Yi BMS

[App page](https://appshunter.io/ios/app/yi-bms/id6476804812)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trion BMS

[App page](https://appshunter.io/ios/app/trion-bms/id6754057637)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Yi BMS free?

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

### Is Trion BMS free?

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

### Do Yi BMS or Trion BMS have ads?

Yi BMS shows ads; Trion BMS does not.

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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.*