# Einführung in C++ vs JS Library Reference

The clearest difference is iOS requirement: Einführung in C++ at 11.0 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 | Einführung in C++ | JS Library Reference |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | — |
| Size | 53 MB | 3 MB |
| Requires iOS | **11.0** | 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

### Einführung in C++

[App page](https://appshunter.io/ios/app/einfuhrung-in-c-plus-plus/id1356194352)

**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 Einführung in C++ free?

Einführung in C++ 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 Einführung in C++ or JS Library Reference have ads?

Neither Einführung in C++ 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.*