# PDF Reader Shelf vs Librune

The clearest difference is ads: Librune at none against PDF Reader Shelf's shown. PDF Reader Shelf's advantage is update cadence (daily vs every 9 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDF Reader Shelf ships an update daily, Librune every 9 days. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PDF Reader Shelf | Librune |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 9 days |
| Size | 5 MB | 63 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Salih ONUS](https://appshunter.io/developer/6775990804) | [Cihan ERDEN](https://appshunter.io/developer/6806475876) |

## What reviewers say

### PDF Reader Shelf

[App page](https://appshunter.io/ios/app/pdf-reader-shelf/id6787750697)

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

**In-app purchases:** none


### Librune

[App page](https://appshunter.io/ios/app/librune-epub-and-pdf-reader/id6806475874)

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader Shelf free?

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

### Is Librune free?

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

### Do PDF Reader Shelf or Librune have ads?

PDF Reader Shelf shows ads; Librune does not.

### Which is updated more often, PDF Reader Shelf or Librune?

PDF Reader Shelf ships an update daily, and Librune every 9 days. Most recently, PDF Reader Shelf was updated on October 9, 2026 and Librune on October 15, 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.*