# notebooksbilliger.de vs Kastern

The clearest difference is iOS requirement: Kastern at 13.0 against notebooksbilliger.de's 15.6. On price, update cadence, 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.

notebooksbilliger.de ships an update every 3 weeks, Kastern monthly. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | notebooksbilliger.de | Kastern |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/notebooksbilligerde/id481326696/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Ad-supported | — |
| Size | 77 MB | 47 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Notebooksbilliger.de AG](https://appshunter.io/developer/380665111) | [UCO software development LTD](https://appshunter.io/developer/568878320) |

## What reviewers say

### notebooksbilliger.de

[App page](https://appshunter.io/ios/app/notebooksbilligerde/id481326696)

Discover a wide range of tech products, including notebooks, PCs, smartphones, and accessories, at competitive prices. Get instant notifications for new deals and use the Deal Swiper to find the latest bargains. Track your orders and enjoy a mini-game while you wait.

**Highlights:** Wide selection of tech products, Competitive pricing, Push notifications for deals, Deal Swiper for discovering bargains, Online product advisor, Order tracking, Mini-game for entertainment

**Features:** Vision Pro support

**In-app purchases:** none


### Kastern

[App page](https://appshunter.io/ios/app/kastern/id6747282443)

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

**In-app purchases:** none


## Frequently asked questions

### Is notebooksbilliger.de free?

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

### Is Kastern free?

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

### Do notebooksbilliger.de or Kastern have ads?

Neither notebooksbilliger.de nor Kastern shows ads.

### Which is updated more often, notebooksbilliger.de or Kastern?

notebooksbilliger.de ships an update every 3 weeks, and Kastern monthly. Most recently, notebooksbilliger.de was updated on October 4, 2026 and Kastern on October 13, 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.*