# Smart vs Lumin Link

The clearest difference is device support: Lumin Link at 3 against Smart'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 | Smart | Lumin Link |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Size | 40 MB | 4 MB |
| Requires iOS | **13.0** | 14.1 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Shantou Institute of Ultrasonic Inst. Co., Ltd.](https://appshunter.io/developer/406261738) | [ShenZhen Lenze Technology Co,.Ltd.](https://appshunter.io/developer/1190864538) |

## What reviewers say

### Smart

[App page](https://appshunter.io/ios/app/smart-x/id1636105647)

**In-app purchases:** none


### Lumin Link

[App page](https://appshunter.io/ios/app/lumin-link/id6745000944)

**In-app purchases:** none


## Frequently asked questions

### Is Smart free?

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

### Is Lumin Link free?

Lumin Link 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.*