# AMX Smart Battery vs S

The clearest difference is iOS requirement: S at 12.0 against AMX Smart Battery's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

AMX Smart Battery ships an update every 3 weeks, S every 5 weeks. The most recent releases landed on October 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | AMX Smart Battery | S |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 29 MB | 42 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [珍珍 许](https://appshunter.io/developer/1673198061) | [NINGBO BEYOND ELECTRONIC TECHNOLOGY CO.,LTD.](https://appshunter.io/developer/1431670256) |

## What reviewers say

### AMX Smart Battery

[App page](https://appshunter.io/ios/app/amx-smart-battery/id6738343510)

**In-app purchases:** none


### S

[App page](https://appshunter.io/ios/app/s-move/id6749884533)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AMX Smart Battery free?

AMX Smart Battery is free to download, with no in-app purchases.

### Is S free?

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

### Do AMX Smart Battery or S have ads?

Neither AMX Smart Battery nor S shows ads.

### Which is updated more often, AMX Smart Battery or S?

AMX Smart Battery ships an update every 3 weeks, and S every 5 weeks. Most recently, AMX Smart Battery was updated on October 25, 2026 and S on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*