# Polish learning app vs PDE Data Engineer Exam Prep

The clearest difference is iOS requirement: Polish learning app at 13.0 against PDE Data Engineer Exam Prep's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Polish learning app | PDE Data Engineer Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Size | 20 MB | 27 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HAEWOON OH](https://appshunter.io/developer/1815462235) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### Polish learning app

[App page](https://appshunter.io/ios/app/polish-learning-app/id6746153203)

**In-app purchases:** none


### PDE Data Engineer Exam Prep

[App page](https://appshunter.io/ios/app/pde-data-engineer-exam-prep/id6757119609)

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

**In-app purchases:** none


## Frequently asked questions

### Is Polish learning app free?

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

### Is PDE Data Engineer Exam Prep free?

PDE Data Engineer Exam Prep is free to download, with no in-app purchases.

### Do Polish learning app or PDE Data Engineer Exam Prep have ads?

Neither Polish learning app nor PDE Data Engineer Exam Prep shows ads.

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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.*