# PDF Library eBook Reader vs 耳読

The clearest difference is in-app purchases: 耳読 at none against PDF Library eBook Reader's 1. 耳読 also leads on update cadence (every 2 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Library eBook Reader sells 1 one-off in-app purchase. 耳読 asks for nothing beyond the download.

PDF Library eBook Reader ships an update monthly, 耳読 every 2 days. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PDF Library eBook Reader | 耳読 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (12 ratings)](https://appshunter.io/ios/app/pdf-library-ebook-reader/id6503659712/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Verbia Systems](https://appshunter.io/developer/1025294134) | [Shouji Fujise](https://appshunter.io/developer/1878657851) |

## What reviewers say

### PDF Library eBook Reader

[App page](https://appshunter.io/ios/app/pdf-library-ebook-reader/id6503659712)

Effortlessly read, organize, and sync your PDF eBooks across devices. Features include flexible display options, dark mode, auto-save reading progress, and customizable collections. An optional Pro version unlocks advanced organization tools.

**Highlights:** Organize PDF collection, Sync across devices, Flexible display options, Dark mode reading, Auto-save reading progress, Customizable collections (Pro)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Library Pro | $19.99 | one-time |


### 耳読

[App page](https://appshunter.io/ios/app/id6759584483)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PDF Library eBook Reader free?

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

### Is 耳読 free?

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

### Do PDF Library eBook Reader or 耳読 have ads?

Neither PDF Library eBook Reader nor 耳読 shows ads.

### Which is updated more often, PDF Library eBook Reader or 耳読?

PDF Library eBook Reader ships an update monthly, and 耳読 every 2 days. Most recently, PDF Library eBook Reader was updated on November 4, 2026 and 耳読 on October 28, 2026.

---

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