# (Modell vs GDCh.app

The clearest difference is in-app purchases: GDCh.app at none against (Modell's 23. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. (Modell sells 23 one-off in-app purchases. GDCh.app asks for nothing beyond the download.

(Modell ships an update every 5 weeks, GDCh.app every 2 months. The most recent releases landed on October 19, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | (Modell | GDCh.app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (10 ratings)](https://appshunter.io/ios/app/modell-bahn-kiosk/id438164450/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | **70.4% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 189 MB | 18 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GeraMond Verlag GmbH](https://appshunter.io/developer/484895078) | [Gesellschaft Deutscher Chemiker](https://appshunter.io/developer/1573402288) |

## What reviewers say

### (Modell

[App page](https://appshunter.io/ios/app/modell-bahn-kiosk/id438164450)

Access a vast collection of digital magazines and articles focused on model railways and real trains. Enjoy high-quality images and illustrations, with all downloaded content available offline. Discover content from various popular railway publications.

**Highlights:** Digital railway magazines, High-quality images and illustrations, Offline access to downloaded content, Content from multiple publications, Focus on model and real railways

**Features:** macOS Compatibility

**In-app purchases (23)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MIBA 2/2016 | $0.99 | one-time |
| MEB 3/2016 | $0.99 | one-time |
| MEB 4/2016 | $0.99 | one-time |
| MIBA Messe 2016 | $0.99 | one-time |
| MEB 8/2016 | $0.99 | one-time |
| MEB 9/2016 | $0.99 | one-time |
| MEB 3/2020 | $3.99 | one-time |
| Modelleisenbahner 10/ 2023 | $3.99 | one-time |
| Modeleisenbahn 07/2022 | $4.99 | one-time |
| Eisenbahn-Journal 12/2020 | $5.99 | one-time |
| EJ Jungfraubahnen | $5.99 | one-time |
| Lok Magazin 2026 9 | $6.99 | one-time |
| Dimo  2 23 | $6.99 | one-time |
| Eisenbahn Romantik 2/2024 | $6.99 | one-time |
| MIBA Anlagen 18 | $7.99 | one-time |
| MIBA Messe 2021 | $7.99 | one-time |
| MIBA Minimax-Anlagen | $9.99 | one-time |
| EJ DB-Baureihe 50 | $9.99 | one-time |
| EJ Eisenbahn in Österreich | $9.99 | one-time |
| EJ Bauen wie Brandl | $10.99 | one-time |
| MIBA Gartenbahn | $12.99 | one-time |
| Harzer Schmalspur-Spezialitäten II | $12.99 | one-time |
| Die letzten Dampfparadiese | $14.99 | one-time |


### GDCh.app

[App page](https://appshunter.io/ios/app/gdchapp/id1573402286)

Access chemistry news, videos, podcasts, and events from science, business, and society. Members get full access to exclusive content and can connect with others. Stay updated with push notifications.

**Highlights:** Chemistry articles, videos, and podcasts, Event listings, Member-exclusive content, Networking features, Push notifications, Dark mode support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is (Modell free?

(Modell is free to download, with in-app purchases available.

### Is GDCh.app free?

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

### Do (Modell or GDCh.app have ads?

Neither (Modell nor GDCh.app shows ads.

### Which is updated more often, (Modell or GDCh.app?

(Modell ships an update every 5 weeks, and GDCh.app every 2 months. Most recently, (Modell was updated on October 19, 2026 and GDCh.app on October 2, 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.*