# GTC Showcase vs PS Rittergasse

The clearest difference is update cadence: PS Rittergasse at every 3 weeks against GTC Showcase's every 3 months. GTC Showcase's advantage is iOS requirement (11.0 vs 13.0). 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.

GTC Showcase ships an update every 3 months, PS Rittergasse every 3 weeks. The most recent releases landed on September 27, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | GTC Showcase | PS Rittergasse |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 338 MB | 56 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ETH Zurich](https://appshunter.io/developer/438432132) | [Dockland SA](https://appshunter.io/developer/1107224401) |

## What reviewers say

### GTC Showcase

[App page](https://appshunter.io/ios/app/gtc-showcase/id1303462306)

Explore interactive augmented reality experiences showcasing cutting-edge research in gaming and creativity. Discover AR games, scavenger hunts, and tools that blend digital content with the real world.

**Highlights:** Augmented reality games, AR scavenger hunt, AR coloring book, AR musical arrangement, Interactive museum experiences, Research project showcases

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

**In-app purchases:** none


### PS Rittergasse

[App page](https://appshunter.io/ios/app/ps-rittergasse/id6473726921)

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

**In-app purchases:** none


## Frequently asked questions

### Is GTC Showcase free?

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

### Is PS Rittergasse free?

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

### Do GTC Showcase or PS Rittergasse have ads?

Neither GTC Showcase nor PS Rittergasse shows ads.

### Which is updated more often, GTC Showcase or PS Rittergasse?

GTC Showcase ships an update every 3 months, and PS Rittergasse every 3 weeks. Most recently, GTC Showcase was updated on September 27, 2026 and PS Rittergasse on October 17, 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.*