# Cornelsen Lernen vs ByCS

The clearest difference is in-app purchases: ByCS at none against Cornelsen Lernen's 10. ByCS also leads on review sentiment (50% vs 41%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cornelsen Lernen sells 8 one-off in-app purchases. ByCS asks for nothing beyond the download.

Cornelsen Lernen ships an update every 5 weeks, ByCS every 2 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | Cornelsen Lernen | ByCS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cornelsen-lernen/id1502080578/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 41.2% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 119 MB | 251 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cornelsen Verlag GmbH](https://appshunter.io/developer/316723131) | [Manage Now GmbH im Auftrag d. bay. Staatsregierung](https://appshunter.io/developer/1847562750) |

## 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 |


### ByCS

[App page](https://appshunter.io/ios/app/bycs-messenger/id6446783774)

Secure and free communication for Bavarian schools, enabling quick information and file exchange. Features include voice calls, messages, location sharing, and flexible availability settings, all within a privacy-compliant environment.

**Highlights:** Privacy-compliant school communication, Secure user access, Voice calls and voice messages, Location sharing, Customizable availability times, Integration with ByCS-Drive, Create video conferences

**Features:** Siri integration, 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 ByCS free?

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

### Do Cornelsen Lernen or ByCS have ads?

Neither Cornelsen Lernen nor ByCS shows ads.

### Which is updated more often, Cornelsen Lernen or ByCS?

Cornelsen Lernen ships an update every 5 weeks, and ByCS every 2 months. Most recently, Cornelsen Lernen was updated on October 27, 2026 and ByCS on October 27, 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.*