# Cornelsen Lernen vs Thales Theorem

The clearest difference is price: Cornelsen Lernen at Free against Thales Theorem's $0.99. Cornelsen Lernen also leads on iOS requirement (15.6 vs 17.0). Thales Theorem's advantage is in-app purchases (none vs 10). On ads and device support there is nothing between them.

Cornelsen Lernen is free to download; Thales Theorem costs $0.99 up front. Cornelsen Lernen sells 8 one-off in-app purchases. Thales Theorem asks for nothing beyond the download.

## The numbers

| Metric | Cornelsen Lernen | Thales Theorem |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cornelsen-lernen/id1502080578/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 41.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 119 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cornelsen Verlag GmbH](https://appshunter.io/developer/316723131) | [Olivier Mallet](https://appshunter.io/developer/1884261967) |

## What reviewers say

### Cornelsen Lernen

[App page](https://appshunter.io/ios/app/cornelsen-lernen/id1502080578)

Access digital school books, workbooks, and supplementary materials for students and teachers. Enjoy secure, flexible, and easy access to educational content, eliminating the need to carry heavy physical books.

**Highlights:** Digital school books and workbooks, Supplementary educational materials, Offline access to downloaded content, Interactive exercises and media, Note-taking and text editing tools, Chapter and page-specific content

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Schlüssel zur Mathematik | $42.99 | one-time |
| Fundamente der Mathematik | $42.99 | one-time |
| Forum Geschichte Neue Ausgabe | $42.99 | one-time |
| Forum Geschichte  Neue Ausgabe | $42.99 | one-time |
| Fokus Physik - Neubearbeitung | $59.99 | one-time |
| Startklar! | $59.99 | one-time |
| Unsere Erde | $59.99 | one-time |
| Dialog | $74.99 | one-time |


### Thales Theorem

[App page](https://appshunter.io/ios/app/thales-theorem-geometry-pro/id6761497873)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cornelsen Lernen free?

Cornelsen Lernen is free to download, with in-app purchases available.

### Is Thales Theorem free?

Thales Theorem costs $0.99, with no in-app purchases.

### Do Cornelsen Lernen or Thales Theorem have ads?

Neither Cornelsen Lernen nor Thales Theorem 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.*