# AMOTION vs BMS电池卫士

The clearest difference is update cadence: AMOTION at every 4 months against BMS电池卫士's every 44 months. AMOTION also leads on iOS requirement (7.0 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.

AMOTION ships an update every 4 months, BMS电池卫士 every 44 months. The most recent releases landed on October 6, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | AMOTION | BMS电池卫士 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 44 months |
| Size | 30 MB | 9 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lebi Computer Technology Co. Ltd.](https://appshunter.io/developer/1004823999) | [锦欢 林](https://appshunter.io/developer/1467148377) |

## What reviewers say

### AMOTION

[App page](https://appshunter.io/ios/app/amotion/id1444572820)

**Features:** macOS Compatibility

**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 AMOTION free?

AMOTION 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 AMOTION or BMS电池卫士 have ads?

Neither AMOTION nor BMS电池卫士 shows ads.

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

AMOTION ships an update every 4 months, and BMS电池卫士 every 44 months. Most recently, AMOTION was updated on October 6, 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.*