# PDF Library eBook Reader vs Quran Encyclopedia

The clearest difference is in-app purchases: Quran Encyclopedia at none against PDF Library eBook Reader's 1. Quran Encyclopedia also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

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

PDF Library eBook Reader ships an update monthly, Quran Encyclopedia every 3 weeks. Both last shipped on October 10, 2026.

## The numbers

| Metric | PDF Library eBook Reader | Quran Encyclopedia |
| --- | --- | --- |
| 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 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 218 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Verbia Systems](https://appshunter.io/developer/1025294134) | [Saifullah Zia Rehmani](https://appshunter.io/developer/1564639571) |

## 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 |


### Quran Encyclopedia

[App page](https://appshunter.io/ios/app/quran-encyclopedia/id6744647344)

**Features:** macOS Compatibility, 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 Quran Encyclopedia free?

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

### Do PDF Library eBook Reader or Quran Encyclopedia have ads?

Neither PDF Library eBook Reader nor Quran Encyclopedia shows ads.

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

PDF Library eBook Reader ships an update monthly, and Quran Encyclopedia every 3 weeks. Most recently, PDF Library eBook Reader was updated on October 10, 2026 and Quran Encyclopedia on October 10, 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.*