# PDF Reader vs 妖怪手册

The clearest difference is in-app purchases: 妖怪手册 at none against PDF Reader's 5. 妖怪手册 also leads on update cadence (every 10 days vs every 3 weeks). PDF Reader's advantage is iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. PDF Reader sells 5 one-off in-app purchases. 妖怪手册 asks for nothing beyond the download.

PDF Reader ships an update every 3 weeks, 妖怪手册 every 10 days. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | PDF Reader | 妖怪手册 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/pdf-reader-mini-version/id898564035/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 3 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [绪强 任](https://appshunter.io/developer/898564038) | [Changsha Xiangling Technology Co., Ltd](https://appshunter.io/developer/1457469998) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-mini-version/id898564035)

This app allows you to read various document formats like PDF, EPUB, and CHM on your iPhone and iPad. It supports file import, text search, annotation, and even previewing MS Office files and videos. A simple to-do list and auto-save reading progress are also included.

**Highlights:** Reads PDF, CHM, EPUB, TXT files, PDF annotation and text search, File import via Files, Airdrop, iTunes, web, MS Office and video file preview, Simple To-Do list functionality, Auto-save reading progress

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reader App donate | $0.99 | one-time |
| Dropbox Support | $0.99 | one-time |
| Remove Ad | $4.99 | one-time |
| Todo donate | $7.99 | one-time |
| Todo donate | $14.99 | one-time |


### 妖怪手册

[App page](https://appshunter.io/ios/app/id6762772707)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is 妖怪手册 free?

妖怪手册 is free to download, with no in-app purchases.

### Do PDF Reader or 妖怪手册 have ads?

Neither PDF Reader nor 妖怪手册 shows ads.

### Which is updated more often, PDF Reader or 妖怪手册?

PDF Reader ships an update every 3 weeks, and 妖怪手册 every 10 days. Most recently, PDF Reader was updated on October 8, 2026 and 妖怪手册 on October 6, 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.*