# Klett Lernen vs UPB

The clearest difference is update cadence: UPB at every 10 days against Klett Lernen's every 2 months. UPB also leads on iOS requirement (15.1 vs 17.0). On price, review sentiment, ads and in-app purchases 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, UPB every 10 days. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Klett Lernen | UPB |
| --- | --- | --- |
| 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 | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | 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


### UPB

[App page](https://appshunter.io/ios/app/upb-app/id6462860571)

Manage your university life with this comprehensive campus companion. Access your digital student ID, track your grades, organize your schedule, and stay updated on campus news and events.

**Highlights:** Digital student ID card, Timetable and calendar management, Grade point average calculation, Library book loan overview and renewal, University email access, Campus map and canteen menu

**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 UPB free?

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

### Do Klett Lernen or UPB have ads?

Neither Klett Lernen nor UPB shows ads.

### Which is updated more often, Klett Lernen or UPB?

Klett Lernen ships an update every 2 months, and UPB every 10 days. Most recently, Klett Lernen was updated on October 29, 2026 and UPB on October 30, 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.*