# Reading is fun! vs Fliegenglas

The clearest difference is in-app purchases: Reading is fun! at none against Fliegenglas's 10. Reading is fun! also leads on iOS requirement (11.0 vs 14.0). Fliegenglas's advantage is device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Fliegenglas sells 10 in-app purchases, starting at $8.49 per month. Reading is fun! asks for nothing beyond the download.

Reading is fun! ships an update every 3 months, Fliegenglas every 2 months. Both last shipped on November 11, 2026.

## The numbers

| Metric | Reading is fun! | Fliegenglas |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 43.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 136 MB | 127 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Westermann Digital GmbH](https://appshunter.io/developer/1171669560) | [Fliegenglas Verlag GmbH](https://appshunter.io/developer/1465210181) |

## What reviewers say

### Reading is fun!

[App page](https://appshunter.io/ios/app/reading-is-fun/id1408549926)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fliegenglas

[App page](https://appshunter.io/ios/app/fliegenglas-horbucher/id1465210182)

Access a curated library of science, philosophy, and literature audiobooks. Dive deep into original works and research reports with exclusive content and human-narrated audio. Learn and discover new perspectives through immersive listening.

**Highlights:** Exclusive science and philosophy audiobooks, Unabridged original works, Current research reports, Human-narrated audio, Offline listening, Accessibility features (VoiceOver/TalkBack)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abo Spektrum der Wissenschaft | $8.49 | per month |
| Abo Philosophie | $9.49 | per month |
| Die Neurobiologie der Liebe | $8.99 | one-time |
| Frühes Universum | $8.99 | one-time |
| Das Ende der Unendlichkeit | $8.99 | one-time |
| Auszeit fürs Gehirn | $8.99 | one-time |
| Der dritte Magnet | $8.99 | one-time |
| Kernfusion | $8.99 | one-time |
| Demenz vorbeugen | $8.99 | one-time |
| Kritik der reinen Vernunft | $12.99 | one-time |


## Frequently asked questions

### Is Reading is fun! free?

Reading is fun! is free to download, with no in-app purchases.

### Is Fliegenglas free?

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

### Do Reading is fun! or Fliegenglas have ads?

Neither Reading is fun! nor Fliegenglas shows ads.

### Which is updated more often, Reading is fun! or Fliegenglas?

Reading is fun! ships an update every 3 months, and Fliegenglas every 2 months. Most recently, Reading is fun! was updated on November 11, 2026 and Fliegenglas on November 11, 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.*