# PDE Pro Database Engineer vs Poem Learner

The clearest difference is device support: PDE Pro Database Engineer at 3 against Poem Learner's 1. PDE Pro Database Engineer also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, 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, Poem Learner every 2 months. The most recent releases landed on September 28, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | PDE Pro Database Engineer | Poem Learner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 30 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Davy Raitt](https://appshunter.io/developer/1795318281) | [Xeniya Bykhova](https://appshunter.io/developer/1787778807) |

## 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


### Poem Learner

[App page](https://appshunter.io/ios/app/poem-learner-by-ns-apps/id6759861759)

**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 Poem Learner free?

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

### Do PDE Pro Database Engineer or Poem Learner have ads?

Neither PDE Pro Database Engineer nor Poem Learner shows ads.

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

PDE Pro Database Engineer ships an update every 3 months, and Poem Learner every 2 months. Most recently, PDE Pro Database Engineer was updated on September 28, 2026 and Poem Learner on September 18, 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.*