# PDE Pro Database Engineer vs Oplæs

The clearest difference is update cadence: Oplæs at every 5 days against PDE Pro Database Engineer's every 3 months. PDE Pro Database Engineer's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

PDE Pro Database Engineer ships an update every 3 months, Oplæs every 5 days. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PDE Pro Database Engineer | Oplæs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 30 MB | 30 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Davy Raitt](https://appshunter.io/developer/1795318281) | [Commanigy](https://appshunter.io/developer/379605563) |

## 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


### Oplæs

[App page](https://appshunter.io/ios/app/opls-text-to-speech-reader/id6815136679)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDE Pro Database Engineer free?

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

### Is Oplæs free?

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

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

Neither PDE Pro Database Engineer nor Oplæs shows ads.

### Which is updated more often, PDE Pro Database Engineer or Oplæs?

PDE Pro Database Engineer ships an update every 3 months, and Oplæs every 5 days. Most recently, PDE Pro Database Engineer was updated on October 15, 2026 and Oplæs on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*