# 汉德星BMS vs BMS电池卫士

The clearest difference is update cadence: 汉德星BMS at every 3 weeks against BMS电池卫士's every 44 months. 汉德星BMS also leads on iOS requirement (11.0 vs 13.0). 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.

汉德星BMS ships an update every 3 weeks, BMS电池卫士 every 44 months. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 汉德星BMS | BMS电池卫士 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 44 months |
| Size | 45 MB | 9 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhenshi Handexing Technology Co. , Ltd.](https://appshunter.io/developer/1616291924) | [锦欢 林](https://appshunter.io/developer/1467148377) |

## What reviewers say

### 汉德星BMS

[App page](https://appshunter.io/ios/app/bms/id1485883435)

**In-app purchases:** none


### BMS电池卫士

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 汉德星BMS free?

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

### Is BMS电池卫士 free?

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

### Do 汉德星BMS or BMS电池卫士 have ads?

Neither 汉德星BMS nor BMS电池卫士 shows ads.

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

汉德星BMS ships an update every 3 weeks, and BMS电池卫士 every 44 months. Most recently, 汉德星BMS was updated on October 1, 2026 and BMS电池卫士 on September 28, 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.*