# Flumen vs Librune

The clearest difference is in-app purchases: Librune at none against Flumen's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Flumen sells 1 one-off in-app purchase. Librune asks for nothing beyond the download.

Flumen ships an update every 9 days, Librune every 8 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Flumen | Librune |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/librune-epub-and-pdf-reader/id6806475874/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 8 days** |
| Monetization | — | Free |
| Size | 16 MB | 64 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Mathias Jaeger-Pedersen](https://appshunter.io/developer/1848104509) | [Cihan ERDEN](https://appshunter.io/developer/6806475876) |

## What reviewers say

### Flumen

[App page](https://appshunter.io/ios/app/flumen-ebook-reader/id6776182656)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flumen Pro | $6.99 | one-time |


### Librune

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

A private, ad-free reader for EPUB, PDF, comics, and more. Organize your digital library, customize your reading experience with adjustable fonts and themes, and take notes and highlights. Read offline without an account.

**Highlights:** Ad-free reading experience, Customizable fonts, themes, and brightness, Highlighting and note-taking, Organize books with categories and shelves, Supports EPUB, PDF, comics, and documents, Offline reading, No account required

**In-app purchases:** none


## Frequently asked questions

### Is Flumen free?

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

### Is Librune free?

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

### Do Flumen or Librune have ads?

Neither Flumen nor Librune shows ads.

### Which is updated more often, Flumen or Librune?

Flumen ships an update every 9 days, and Librune every 8 days. Most recently, Flumen was updated on October 28, 2026 and Librune on October 31, 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.*