# BMS电池卫士 vs 罕能BMS

The clearest difference is update cadence: 罕能BMS at weekly against BMS电池卫士's every 44 months. 罕能BMS also leads on iOS requirement (9.0 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.

BMS电池卫士 ships an update every 44 months, 罕能BMS weekly. The most recent releases landed on May 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | BMS电池卫士 | 罕能BMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Weekly** |
| Size | 9 MB | 34 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [锦欢 林](https://appshunter.io/developer/1467148377) | [守东 翟](https://appshunter.io/developer/1582118436) |

## What reviewers say

### BMS电池卫士

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 罕能BMS

[App page](https://appshunter.io/ios/app/bms/id6446978287)

**Features:** macOS Compatibility

**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 罕能BMS free?

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

### Do BMS电池卫士 or 罕能BMS have ads?

Neither BMS电池卫士 nor 罕能BMS shows ads.

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

BMS电池卫士 ships an update every 44 months, and 罕能BMS weekly. Most recently, BMS电池卫士 was updated on May 14, 2026 and 罕能BMS on September 10, 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.*