# PDE Pro Database Engineer vs Memzi

The clearest difference is in-app purchases: PDE Pro Database Engineer at none against Memzi's 2. PDE Pro Database Engineer also leads on iOS requirement (15.0 vs 17). On price, ads and device support there is nothing between them.

Both are free to download. Memzi sells 2 in-app purchases, starting at $1.99 per month. PDE Pro Database Engineer asks for nothing beyond the download.

## The numbers

| Metric | PDE Pro Database Engineer | Memzi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 30 MB | 4 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Davy Raitt](https://appshunter.io/developer/1795318281) | [Mohamed El Alouani](https://appshunter.io/developer/1766804770) |

## What reviewers say

### PDE Pro Database Engineer

[App page](https://appshunter.io/ios/app/pde-pro-database-engineer/id6756967890)

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

**In-app purchases:** none


### Memzi

[App page](https://appshunter.io/ios/app/memzi-smart-flashcards-srs/id6757954260)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memzi Premium | $1.99 | per month |
| Memzi Premium | $9.99 | per year |


## Frequently asked questions

### Is PDE Pro Database Engineer free?

PDE Pro Database Engineer is free to download, with no in-app purchases.

### Is Memzi free?

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

### Do PDE Pro Database Engineer or Memzi have ads?

Neither PDE Pro Database Engineer nor Memzi 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.*