# 豆豆阅读 vs 静墨

The clearest difference is in-app purchases: 豆豆阅读 at none against 静墨's 1. 豆豆阅读 also leads on iOS requirement (13.0 vs 17.0). 静墨's advantage is update cadence (every 4 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 静墨 sells 1 one-off in-app purchase. 豆豆阅读 asks for nothing beyond the download.

豆豆阅读 ships an update every 2 months, 静墨 every 4 days. Both last shipped on October 29, 2026.

## The numbers

| Metric | 豆豆阅读 | 静墨 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 28 MB | 56 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Doudou bird Technology Co., Ltd.](https://appshunter.io/developer/1383154758) | [涛 罗](https://appshunter.io/developer/765358386) |

## What reviewers say

### 豆豆阅读

[App page](https://appshunter.io/ios/app/id1440468376)

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

**In-app purchases:** none


### 静墨

[App page](https://appshunter.io/ios/app/txtepubpdf/id6797436651)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 静墨阅读器 专业版 | $3.99 | one-time |


## Frequently asked questions

### Is 豆豆阅读 free?

豆豆阅读 is free to download, with no in-app purchases.

### Is 静墨 free?

静墨 is free to download, with in-app purchases available.

### Do 豆豆阅读 or 静墨 have ads?

Neither 豆豆阅读 nor 静墨 shows ads.

### Which is updated more often, 豆豆阅读 or 静墨?

豆豆阅读 ships an update every 2 months, and 静墨 every 4 days. Most recently, 豆豆阅读 was updated on October 29, 2026 and 静墨 on October 29, 2026.

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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.*