# PDF Reader vs 水獭漫画

The clearest difference is in-app purchases: PDF Reader at none against 水獭漫画's 3. 水獭漫画's advantage is ads (none vs shown) and update cadence (every 3 months vs every 113 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 水獭漫画 sells 3 in-app purchases, starting at $0.99 per month. PDF Reader asks for nothing beyond the download.

PDF Reader ships an update every 113 months, 水獭漫画 every 3 months. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PDF Reader | 水獭漫画 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 113 months | **Every 3 months** |
| Size | 9 MB | 84 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aishvarya Sadasivam](https://appshunter.io/developer/1062048241) | [宁 权](https://appshunter.io/developer/1710975082) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-view/id1084658552)

**Features:** macOS Compatibility

**In-app purchases:** none


### 水獭漫画

[App page](https://appshunter.io/ios/app/id6680193025)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月订阅 | $0.99 | per month |
| 年底订阅 | $2.99 | per year |
| 终身买断 | $4.99 | one-time |


## Frequently asked questions

### Is PDF Reader free?

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

### Is 水獭漫画 free?

水獭漫画 is free to download, with in-app purchases available.

### Do PDF Reader or 水獭漫画 have ads?

PDF Reader shows ads; 水獭漫画 does not.

### Which is updated more often, PDF Reader or 水獭漫画?

PDF Reader ships an update every 113 months, and 水獭漫画 every 3 months. Most recently, PDF Reader was updated on October 10, 2026 and 水獭漫画 on October 8, 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.*