# Professional Data Engineer vs WordLingo

The clearest difference is in-app purchases: WordLingo at none against Professional Data Engineer's 1. WordLingo also leads on update cadence (every 3 weeks vs every 13 months). Professional Data Engineer's advantage is iOS requirement (10.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Professional Data Engineer sells 1 one-off in-app purchase. WordLingo asks for nothing beyond the download.

Professional Data Engineer ships an update every 13 months, WordLingo every 3 weeks. The most recent releases landed on October 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Professional Data Engineer | WordLingo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Size | 25 MB | 175 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Trieu Tran](https://appshunter.io/developer/1668827865) | [Samuel Agbenyo](https://appshunter.io/developer/1896590849) |

## What reviewers say

### Professional Data Engineer

[App page](https://appshunter.io/ios/app/professional-data-engineer/id6473723698)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock complete App | $9.99 | one-time |


### WordLingo

[App page](https://appshunter.io/ios/app/wordlingo-bible-study/id6793748317)

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

**In-app purchases:** none


## Frequently asked questions

### Is Professional Data Engineer free?

Professional Data Engineer is free to download, with in-app purchases available.

### Is WordLingo free?

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

### Do Professional Data Engineer or WordLingo have ads?

Neither Professional Data Engineer nor WordLingo shows ads.

### Which is updated more often, Professional Data Engineer or WordLingo?

Professional Data Engineer ships an update every 13 months, and WordLingo every 3 weeks. Most recently, Professional Data Engineer was updated on October 8, 2026 and WordLingo on October 31, 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.*