# LED滚动弹幕 vs 声单

The clearest difference is iOS requirement: LED滚动弹幕 at 13.0 against 声单's 17.0. 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 | LED滚动弹幕 | 声单 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 71 MB | 55 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Deep Sea Fish Information Technology Co., Ltd.](https://appshunter.io/developer/1635671407) | [杭州百聆科技有限公司](https://appshunter.io/developer/1660197064) |

## What reviewers say

### LED滚动弹幕

[App page](https://appshunter.io/ios/app/led-led-master/id6757777238)

**In-app purchases:** none


### 声单

[App page](https://appshunter.io/ios/app/id6767144795)

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

**In-app purchases:** none


## Frequently asked questions

### Is LED滚动弹幕 free?

LED滚动弹幕 is free to download, with no in-app purchases.

### Is 声单 free?

声单 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.*