# SQL Kurs & Zertifikat vs JS Library Reference

The clearest difference is iOS requirement: SQL Kurs & Zertifikat at 13.0 against JS Library Reference's 17.0. 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 | SQL Kurs & Zertifikat | JS Library Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/sql-kurs-and-zertifikat/id1088274370/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | — |
| Monetization | Free | — |
| Size | 66 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Eberhard Heuel](https://appshunter.io/developer/881793184) | [Roger Rub](https://appshunter.io/developer/1852594545) |

## What reviewers say

### SQL Kurs & Zertifikat

[App page](https://appshunter.io/ios/app/sql-kurs-and-zertifikat/id1088274370)

Learn SQL from the basics to advanced dialects like MySQL and Oracle. This app is ideal for beginners and professionals seeking practical database skills. Earn a university certificate upon passing the online or campus exam.

**Highlights:** Learn SQL fundamentals, Practice with real-world examples, Study MySQL and Oracle dialects, Online or campus exam, University certificate awarded, ECTS credits for students

**Features:** macOS Compatibility

**In-app purchases:** none


### JS Library Reference

[App page](https://appshunter.io/ios/app/js-library-reference/id6756442365)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SQL Kurs & Zertifikat free?

SQL Kurs & Zertifikat is free to download, with no in-app purchases.

### Is JS Library Reference free?

JS Library Reference is free to download, with no in-app purchases.

### Do SQL Kurs & Zertifikat or JS Library Reference have ads?

Neither SQL Kurs & Zertifikat nor JS Library Reference 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.*