# BMS电池卫士 vs Linaan BMS

The clearest difference is update cadence: Linaan BMS at every 10 days against BMS电池卫士's every 44 months. BMS电池卫士's advantage is iOS requirement (13.0 vs 15.0). 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.

BMS电池卫士 ships an update every 44 months, Linaan BMS every 10 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | BMS电池卫士 | Linaan BMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 10 days** |
| Size | 9 MB | 45 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [锦欢 林](https://appshunter.io/developer/1467148377) | [郑州博观电子科技有限公司](https://appshunter.io/developer/1547212722) |

## What reviewers say

### BMS电池卫士

[App page](https://appshunter.io/ios/app/bms/id1501118106)

**Features:** macOS Compatibility

**In-app purchases:** none


### Linaan BMS

[App page](https://appshunter.io/ios/app/linaan-bms/id6751220864)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BMS电池卫士 free?

BMS电池卫士 is free to download, with no in-app purchases.

### Is Linaan BMS free?

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

### Do BMS电池卫士 or Linaan BMS have ads?

Neither BMS电池卫士 nor Linaan BMS shows ads.

### Which is updated more often, BMS电池卫士 or Linaan BMS?

BMS电池卫士 ships an update every 44 months, and Linaan BMS every 10 days. Most recently, BMS电池卫士 was updated on November 3, 2026 and Linaan BMS on October 30, 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.*