# Blek App vs Flumen

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

Both are free to download. Blek App sells 2 in-app purchases, starting at $6.99 per month and Flumen sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Blek App ships an update every 9 days, Flumen every 2 weeks. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Blek App | Flumen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Size | 118 MB | 18 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Justine Panart](https://appshunter.io/developer/1896522020) | [Mathias Jaeger-Pedersen](https://appshunter.io/developer/1848104509) |

## What reviewers say

### Blek App

[App page](https://appshunter.io/ios/app/blek-app/id6767931342)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blek Premium Mensual | $6.99 | per month |
| Blek Premium Anual | $44.99 | per year |


### 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 |


## Frequently asked questions

### Is Blek App free?

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

### Is Flumen free?

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

### Do Blek App or Flumen have ads?

Blek App shows ads; Flumen does not.

### Which is updated more often, Blek App or Flumen?

Blek App ships an update every 9 days, and Flumen every 2 weeks. Most recently, Blek App was updated on October 14, 2026 and Flumen on October 5, 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.*