# Smart M vs HHEV

The clearest difference is device support: Smart M at 3 against HHEV's —. HHEV's advantage is iOS requirement (9.0 vs 12.0). 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 | Smart M | HHEV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Monthly | — |
| Size | 99 MB | 53 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Slenergy Technology(A.H.)Co.,Ltd.](https://appshunter.io/developer/1701018754) | [ZhuHai Sino Energy Technology Co.,Ltd](https://appshunter.io/developer/1712259427) |

## What reviewers say

### Smart M

[App page](https://appshunter.io/ios/app/smart-m/id6462580670)

**Features:** macOS Compatibility

**In-app purchases:** none


### HHEV

[App page](https://appshunter.io/ios/app/hhev/id6469591255)

**In-app purchases:** none


## Frequently asked questions

### Is Smart M free?

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

### Is HHEV free?

HHEV 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.*