# Grammatisch vs Cardstack Study

The clearest difference is in-app purchases: Cardstack Study at none against Grammatisch's 6. Cardstack Study also leads on ads (none vs shown) and iOS requirement (15.1 vs 18.0). Grammatisch's advantage is device support (4 vs 2). On price there is nothing between them.

Both are free to download. Grammatisch sells 6 in-app purchases, starting at $7.99 per 7 days. Cardstack Study asks for nothing beyond the download.

## The numbers

| Metric | Grammatisch | Cardstack Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (720 ratings)](https://appshunter.io/ios/app/grammatisch-learn-german/id1163927830/reviews)** | — |
| Number of ratings | **720** | — |
| Positive reviews | 71.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 83 MB | 33 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Konsonant Ensino Digital de Idiomas Ltda](https://appshunter.io/developer/546681988) | [Angus Gibson](https://appshunter.io/developer/6786447381) |

## What reviewers say

### Grammatisch

[App page](https://appshunter.io/ios/app/grammatisch-learn-german/id1163927830)

Master German grammar with interactive lessons and thousands of exercises. Covers essential topics like articles, verb conjugation, and declensions. Practice and review concepts with detailed corrections to improve your understanding.

**Highlights:** Thousands of grammar exercises, Summaries, tables, and lists, Topic-based learning, Detailed answer corrections, Offline access, Covers numerous grammar topics

**Features:** Family Sharing, SharePlay

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grammatisch Plus | $7.99 | per 7 days |
| Grammatisch Plus | $14.99 | per month |
| Grammatisch Plus | $33.99 | per 3 months |
| Grammatisch Plus | $45.99 | per 6 months |
| Grammatisch Plus | $89.99 | per year |
| Grammatisch Plus | $89.99 | one-time |

**What reviewers like**

- 👍 Helpful and explains grammar well
- 🚀 Intuitive and easy to use interface
- 💡 Engaging interactive exercises
- 👍 Effective for improving grammar skills
- 👍 Convenient for practicing on the go

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 💰 Expensive subscription model
- 🔍 Lack of free content
- 🔍 Too many ads in free version
- 🐛 Inaccurate translations and grammar mistakes

**Reported bugs**

- Exercises not registering correct answers
- App crashing after completing lessons
- Audio not working on certain devices
- Incorrect grammar explanations in some lessons
- Overlapping UI elements making content hard to read

**Requested features**

- Provide more example sentences
- Add translation for exercises
- Implement spaced repetition for better retention
- Expand content to higher proficiency levels
- Improve audio quality and pronunciation guidance


### Cardstack Study

[App page](https://appshunter.io/ios/app/cardstack-study/id6786447379)

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

**In-app purchases:** none


## Frequently asked questions

### Is Grammatisch free?

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

### Is Cardstack Study free?

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

### Do Grammatisch or Cardstack Study have ads?

Grammatisch shows ads; Cardstack Study does not.

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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.*