# Flumen vs LiBook

The clearest difference is in-app purchases: LiBook at none against Flumen's 1. LiBook also leads on update cadence (every 3 days vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

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

Flumen ships an update every 9 days, LiBook every 3 days. The most recent releases landed on November 10, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Flumen | LiBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (6 ratings)](https://appshunter.io/ios/app/libook-epub-txt-pdf-reader/id6781108538/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 95.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | — | Free |
| Size | 16 MB | 20 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Mathias Jaeger-Pedersen](https://appshunter.io/developer/1848104509) | [JOOYOUNG MAENG](https://appshunter.io/developer/6781108540) |

## 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 |


### LiBook

[App page](https://appshunter.io/ios/app/libook-epub-txt-pdf-reader/id6781108538)

Consolidate all your digital books, including EPUB, PDF, and TXT files, into a single, customizable reading environment. Enjoy hands-free page turning, text-to-speech functionality, and seamless cloud synchronization across devices. Organize your library with ease and tailor the reading experience to your preferences.

**Highlights:** Import EPUB, TXT, PDF files, Custom fonts and themes, Volume button page turning, Text-to-Speech (TTS) mode, iCloud sync and offline downloads, Smart library organization, Full-text search and bookmarks

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

**In-app purchases:** none


## Frequently asked questions

### Is Flumen free?

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

### Is LiBook free?

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

### Do Flumen or LiBook have ads?

Neither Flumen nor LiBook shows ads.

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

Flumen ships an update every 9 days, and LiBook every 3 days. Most recently, Flumen was updated on November 10, 2026 and LiBook on November 11, 2026.

---

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