# KasusKnacker vs Aha! Scrolls

The clearest difference is in-app purchases: Aha! Scrolls at none against KasusKnacker's 4. KasusKnacker's advantage is update cadence (weekly vs every 3 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. KasusKnacker sells 4 in-app purchases, starting at $3.99 per month. Aha! Scrolls asks for nothing beyond the download.

KasusKnacker ships an update weekly, Aha! Scrolls every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KasusKnacker | Aha! Scrolls |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/kasusknacker-german-grammar/id6757100358/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 66 MB | 86 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Toba UG (Haftungsbeschränkt)](https://appshunter.io/developer/1864522585) | [Selma Celik](https://appshunter.io/developer/1819450836) |

## What reviewers say

### KasusKnacker

[App page](https://appshunter.io/ios/app/kasusknacker-german-grammar/id6757100358)

Master German grammar with targeted exercises focusing on cases, prepositions, verbs, and vocabulary. Build intuition and muscle memory through deliberate practice, with gamified progress and smart review features. Ideal for intermediate to advanced learners seeking to refine their skills.

**Highlights:** Targeted case training, Preposition and pronoun practice, Verb conjugator and practice, Vocabulary flashcards, Article and adjective ending mastery, Gamified progress tracking, Smart review of mistakes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly (2025 plan) | $3.99 | per month |
| Premium Monthly | $3.99 | per month |
| Yearly (2025 plan) | $29.99 | per year |
| Premium Yearly | $29.99 | per year |


### Aha! Scrolls

[App page](https://appshunter.io/ios/app/aha-scrolls/id6757824537)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KasusKnacker free?

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

### Is Aha! Scrolls free?

Aha! Scrolls is free to download, with no in-app purchases.

### Do KasusKnacker or Aha! Scrolls have ads?

Neither KasusKnacker nor Aha! Scrolls shows ads.

### Which is updated more often, KasusKnacker or Aha! Scrolls?

KasusKnacker ships an update weekly, and Aha! Scrolls every 3 weeks. Most recently, KasusKnacker was updated on October 24, 2026 and Aha! Scrolls 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.*