# 书言笔记 vs 大约信

The clearest difference is in-app purchases: 大约信 at none against 书言笔记's 3. 大约信 also leads on iOS requirement (15.0 vs 18.2). 书言笔记's advantage is device support. On price there is nothing between them.

Both are free to download. 书言笔记 sells 3 in-app purchases, starting at $1.99 per month. 大约信 asks for nothing beyond the download.

## The numbers

| Metric | 书言笔记 | 大约信 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6480279538/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 5 months | — |
| Size | 34 MB | 112 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [钊辉 李](https://appshunter.io/developer/1561520729) | [Guangzhou RongYue Science andTechnology Company Limited](https://appshunter.io/developer/1738613084) |

## What reviewers say

### 书言笔记

[App page](https://appshunter.io/ios/app/id6444200022)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $1.99 | per month |
| 半年会员 | $6.99 | per 6 months |
| 年会员 | $12.99 | per year |


### 大约信

[App page](https://appshunter.io/ios/app/id6480279538)

**In-app purchases:** none


## Frequently asked questions

### Is 书言笔记 free?

书言笔记 is free to download, with in-app purchases available.

### Is 大约信 free?

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

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*