# merkregeln.de vs Owle

The clearest difference is ads: merkregeln.de at none against Owle's shown. Owle's advantage is update cadence (every 6 weeks vs every 4 months) and iOS requirement (13.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. merkregeln.de sells 1 one-off in-app purchase and Owle sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

merkregeln.de ships an update every 4 months, Owle every 6 weeks. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | merkregeln.de | Owle |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 18 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Patrick Herrler](https://appshunter.io/developer/925377597) | [Jan Suchy](https://appshunter.io/developer/1707315771) |

## What reviewers say

### merkregeln.de

[App page](https://appshunter.io/ios/app/merkregelnde-alles-gemerkt/id1085089086)

This app offers a fun and engaging way to learn through mnemonics and memory aids across various subjects. Access a vast online collection of rules, create your own, and favorite helpful tips for quick access.

**Highlights:** Vast collection of mnemonics, Browse by category, Search for specific rules, Create custom mnemonics, Favorite useful rules, Tap for additional info

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Werbefrei | $1.99 | one-time |


### Owle

[App page](https://appshunter.io/ios/app/owle-language-learning-reader/id6466396476)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO | $3.99 | per month |
| PRO monthly | $6.99 | per month |
| PRO quarterly | $14.99 | per 3 months |
| PRO annual | $39.99 | per year |


## Frequently asked questions

### Is merkregeln.de free?

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

### Is Owle free?

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

### Do merkregeln.de or Owle have ads?

Owle shows ads; merkregeln.de does not.

### Which is updated more often, merkregeln.de or Owle?

merkregeln.de ships an update every 4 months, and Owle every 6 weeks. Most recently, merkregeln.de was updated on November 2, 2026 and Owle on October 25, 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.*