# Teuida vs Cardstack Study

The clearest difference is in-app purchases: Cardstack Study at none against Teuida's 10. Cardstack Study also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.2). Teuida's advantage is chart position (#83 vs unranked). On price and device support there is nothing between them.

Both are free to download. Teuida sells 7 in-app purchases, starting at $14.99 per month. Cardstack Study asks for nothing beyond the download.

## The numbers

| Metric | Teuida | Cardstack Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (59K ratings)](https://appshunter.io/ios/app/teuida-learn-languages/id1457532562/reviews)** | — |
| Number of ratings | **59K** | — |
| Positive reviews | 95.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | — |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#83** | — |
| Size | 203 MB | 33 MB |
| Requires iOS | 17.2 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [TEUIDA](https://appshunter.io/developer/1457532561) | [Angus Gibson](https://appshunter.io/developer/6786447381) |

## What reviewers say

### Teuida

[App page](https://appshunter.io/ios/app/teuida-learn-languages/id1457532562)

**Currently charting:** #83 Top Grossing · Education (US App Store)

Learn to speak Korean, Japanese, and Spanish through interactive, first-person POV scenarios. Practice essential expressions and gain confidence with AI-powered pronunciation feedback. Focus on speaking from day one with short, effective lessons.

**Highlights:** First-person POV speaking practice, Real-life scenario simulations, AI pronunciation analysis, Essential expression learning, Interactive stories, Culture-specific tips

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $14.99 | per month |
| 1 month | $14.99 | per month |
| 1 month | $17.99 | per month |
| 12 months | $59.99 | per year |
| 12 months | $79.99 | per year |
| 12 months | $89.99 | per year |
| Heather — Plant Character | $1.99 | one-time |

**What reviewers like**

- 👍 Interactive and engaging learning
- 🗣️ Encourages speaking practice
- 🎓 Effective for beginners
- 🎯 Focuses on practical conversation
- 🎨 Immersive real-life scenarios

**What reviewers complain about**

- 💰 Premium subscription required for full access
- ⏱️ Limited free lessons per day
- 🔇 Voice recognition issues at times
- 🤔 Lacks grammar and writing instruction
- 🚧 Technical glitches and bugs

**Reported bugs**

- Lessons not loading properly
- Microphone not detecting speech correctly
- Freezing and crashing issues
- Inconsistent user interface

**Requested features**

- Add more languages beyond Korean, Japanese, and Spanish
- Incorporate writing practice and Hangul lessons
- Provide more free content and unlock system
- Improve voice recognition accuracy
- Add review and testing features


### 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 Teuida free?

Teuida 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 Teuida or Cardstack Study have ads?

Teuida 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.*