# Deklination vs KasusKnacker

The clearest difference is in-app purchases: Deklination at none against KasusKnacker's 4. KasusKnacker's advantage is update cadence (weekly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Deklination ships an update every 6 months, KasusKnacker weekly. The most recent releases landed on October 25, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Deklination | KasusKnacker |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 4 MB | 61 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Gnizak](https://appshunter.io/developer/1723751920) | [Toba UG (Haftungsbeschränkt)](https://appshunter.io/developer/1864522585) |

## What reviewers say

### Deklination

[App page](https://appshunter.io/ios/app/deklination/id6748883512)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Deklination free?

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

### Is KasusKnacker free?

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

### Do Deklination or KasusKnacker have ads?

Neither Deklination nor KasusKnacker shows ads.

### Which is updated more often, Deklination or KasusKnacker?

Deklination ships an update every 6 months, and KasusKnacker weekly. Most recently, Deklination was updated on October 25, 2026 and KasusKnacker on November 9, 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.*