# PolyYapp vs Cardetta

The clearest difference is in-app purchases: PolyYapp at none against Cardetta's 2. PolyYapp also leads on device support (3 vs 1) and iOS requirement (13.0 vs 26.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Cardetta sells 2 in-app purchases, starting at $2.99 per month. PolyYapp asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | PolyYapp | Cardetta |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 24 MB | 6 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [A.I. Software Apps](https://appshunter.io/developer/1801613663) | [Mirentha Ltd](https://appshunter.io/developer/6802692767) |

## What reviewers say

### PolyYapp

[App page](https://appshunter.io/ios/app/polyyapp-learn-dutch/id6757708290)

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

**In-app purchases:** none


### Cardetta

[App page](https://appshunter.io/ios/app/cardetta-exam-flashcards/id6812677682)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is PolyYapp free?

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

### Is Cardetta free?

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

### Do PolyYapp or Cardetta have ads?

Neither PolyYapp nor Cardetta shows ads.

### Which is updated more often, PolyYapp or Cardetta?

PolyYapp ships an update weekly, and Cardetta weekly. Most recently, PolyYapp was updated on November 7, 2026 and Cardetta on November 6, 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.*