# Grammatik Duell vs FireFinger

The clearest difference is price: FireFinger at Free against Grammatik Duell's $0.99. Grammatik Duell's advantage is iOS requirement (12.0 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

FireFinger is free to download; Grammatik Duell costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Grammatik Duell ships an update every 2 months, FireFinger every 3 months. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Grammatik Duell | FireFinger |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | — |
| Size | 15 MB | 100 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jan Essig](https://appshunter.io/developer/446378172) | [Amicale du Personel de l'institut pour Deficients Visuels](https://appshunter.io/developer/563144151) |

## What reviewers say

### Grammatik Duell

[App page](https://appshunter.io/ios/app/grammatik-duell/id968774654)

Practice German grammar and spelling through an engaging matching game. Choose from various grammatical areas and difficulty levels to improve your language skills. Compete against yourself or others in this fun, educational duel.

**Highlights:** German grammar and spelling practice, Matching game mechanics, Variable card pairs and player numbers, Adjustable difficulty levels, Read-aloud function, Focuses on grammatical areas, Reward system for motivation

**Features:** macOS Compatibility

**In-app purchases:** none


### FireFinger

[App page](https://appshunter.io/ios/app/firefinger/id6478496909)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Grammatik Duell free?

Grammatik Duell costs $0.99, with no in-app purchases.

### Is FireFinger free?

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

### Do Grammatik Duell or FireFinger have ads?

Neither Grammatik Duell nor FireFinger shows ads.

### Which is updated more often, Grammatik Duell or FireFinger?

Grammatik Duell ships an update every 2 months, and FireFinger every 3 months. Most recently, Grammatik Duell was updated on October 8, 2026 and FireFinger on October 13, 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.*