# USmart vs 小特光伏

The clearest difference is device support: USmart at 3 against 小特光伏's —. On price, in-app purchases and iOS requirement 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 | USmart | 小特光伏 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 months | — |
| Size | 128 MB | 61 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 17+ | 17+ |
| Developer | [杭州品联科技有限公司](https://appshunter.io/developer/1133906765) | [特变电工西安电气科技有限公司](https://appshunter.io/developer/1189734105) |

## What reviewers say

### USmart

[App page](https://appshunter.io/ios/app/usmart/id1449674452)

**In-app purchases:** none


### 小特光伏

[App page](https://appshunter.io/ios/app/id6475700565)

**In-app purchases:** none


## Frequently asked questions

### Is USmart free?

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

### Is 小特光伏 free?

小特光伏 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.*