# Klett Lernen vs CBS APP

The clearest difference is update cadence: CBS APP at fortnightly against Klett Lernen's every 2 months. CBS APP also leads on iOS requirement (15.1 vs 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.

Klett Lernen ships an update every 2 months, CBS APP fortnightly. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Klett Lernen | CBS APP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/klett-lernen/id1260478846/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 50 MB | 104 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Ernst Klett Verlag GmbH, Stuttgart](https://appshunter.io/developer/751540887) | [UniNow GmbH](https://appshunter.io/developer/1099302123) |

## What reviewers say

### Klett Lernen

[App page](https://appshunter.io/ios/app/klett-lernen/id1260478846)

Access your licensed school books, audio, and video materials offline on any device. Plan lessons, practice exercises digitally, and track learning progress with synchronized notes and tasks. Designed for modern, flexible learning and teaching.

**Highlights:** Offline eBook access, Centralized login for all digital products, Digital library with books, audio, and video, Online and offline usage, Synchronized notes and tasks, Diverse digital learning products (eBook, eCourse, eTraining)

**Features:** Vision Pro support

**In-app purchases:** none


### CBS APP

[App page](https://appshunter.io/ios/app/cbs-app/id6446888057)

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Klett Lernen free?

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

### Is CBS APP free?

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

### Do Klett Lernen or CBS APP have ads?

Neither Klett Lernen nor CBS APP shows ads.

### Which is updated more often, Klett Lernen or CBS APP?

Klett Lernen ships an update every 2 months, and CBS APP fortnightly. Most recently, Klett Lernen was updated on October 29, 2026 and CBS APP 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.*