# Der Kestner vs LUIS CAMPUS

The clearest difference is in-app purchases: LUIS CAMPUS at none against Der Kestner's 9. Der Kestner's advantage is update cadence (every 3 weeks vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Der Kestner sells 8 in-app purchases, starting at $3.99 per month. LUIS CAMPUS asks for nothing beyond the download.

Der Kestner ships an update every 3 weeks, LUIS CAMPUS every 8 months. The most recent releases landed on September 30, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Der Kestner | LUIS CAMPUS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 117 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Verlag Karin Kestner GmbH](https://appshunter.io/developer/1673366576) | [Lecturio GmbH](https://appshunter.io/developer/667474928) |

## What reviewers say

### Der Kestner

[App page](https://appshunter.io/ios/app/der-kestner-dgs/id6445823997)

This app is a comprehensive dictionary for German Sign Language (DGS), offering over 29,000 terms and 400 sign videos. It includes learning tools, custom list creation, and image editing for educational materials. Accessible across devices with regular updates.

**Highlights:** Extensive DGS vocabulary with over 29,000 terms, 400+ sign language videos, Vocabulary trainer and custom list creation, Image editor for creating educational materials, Search and filter functions, Cross-device accessibility (app and web)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basis | $3.99 | per month |
| Premium | $6.99 | per month |
| Für Familien | $11.99 | per month |
| Veraltetes Abo | $14.99 | per month |
| Stufe 5 | $39.99 | per month |
| Basis | $44.90 | per year |
| Premium | $69.90 | per year |
| Für Familien | $119.99 | per year |


### LUIS CAMPUS

[App page](https://appshunter.io/ios/app/luis-campus/id6746327664)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Der Kestner free?

Der Kestner is free to download, with in-app purchases available.

### Is LUIS CAMPUS free?

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

### Do Der Kestner or LUIS CAMPUS have ads?

Neither Der Kestner nor LUIS CAMPUS shows ads.

### Which is updated more often, Der Kestner or LUIS CAMPUS?

Der Kestner ships an update every 3 weeks, and LUIS CAMPUS every 8 months. Most recently, Der Kestner was updated on September 30, 2026 and LUIS CAMPUS on September 22, 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.*