# 红杉会议 vs 书谱

The clearest difference is device support: 书谱 at 4 against 红杉会议's —. 红杉会议's advantage is iOS requirement (11.0 vs 15.0). 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 | 红杉会议 | 书谱 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Weekly |
| Size | 36 MB | 148 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Hangzhou HongShanYunPeng  Information Technology Co., Ltd.](https://appshunter.io/developer/1480201290) | [Ruisek Intelligent Technology (shanghai) Co., Ltd](https://appshunter.io/developer/1861654784) |

## What reviewers say

### 红杉会议

[App page](https://appshunter.io/ios/app/id6449668530)

**In-app purchases:** none


### 书谱

[App page](https://appshunter.io/ios/app/id6748376785)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 红杉会议 free?

红杉会议 is free to download, with no in-app purchases.

### Is 书谱 free?

书谱 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.*