# CEM Smart Power vs ClampMeter

The clearest difference is device support: ClampMeter at 3 against CEM Smart Power's —. ClampMeter also leads on iOS requirement (9.0 vs 13.0). On price 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.

## The numbers

| Metric | CEM Smart Power | ClampMeter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Size | 46 MB | 26 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Shenzhen Everbest Machinery Industry Co.,Ltd](https://appshunter.io/developer/564470332) | [ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD.](https://appshunter.io/developer/1064839954) |

## What reviewers say

### CEM Smart Power

[App page](https://appshunter.io/ios/app/cem-smart-power/id6446162518)

**In-app purchases:** none


### ClampMeter

[App page](https://appshunter.io/ios/app/clampmeter/id6448405311)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CEM Smart Power free?

CEM Smart Power is free to download, with no in-app purchases.

### Is ClampMeter free?

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

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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.*