# Zumstein 3.0

> Bilingual stamp catalog for Switzerland, Liechtenstein, and UN with current prices and updates. (iPhone/iPad app by RocketX Ltd.)

- Source: https://appshunter.io/ios/app/zumstein-30/id1635327810 (this page in markdown: same URL + `.md`)
- Developer: [RocketX Ltd](https://appshunter.io/developer/1611747071)
- Category: Books, Reference
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 79 MB
- Languages: American English
- Released: 2023-01-12
- Data updated: 2026-08-27
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/zumstein-30/id1635327810/reviews.md

## What is Zumstein 3.0?

Katalog 2023 
Der Zumstein Katalog CH/FL/UNO 2023!
Bilingue: deutsch - französisch
Mit aktuellsten Preisen, dem Katalog-Nachtrag,
neues Kapitel über Krypto Stamps Schweiz und
aktuelle Stempelfälschungen, Abarten und vielem
mehr.  Zumstein - Yvert Vergleichstabelle.

## Key features

- Bilingual (German/French)
- Updated stamp prices
- Catalog addendum
- Crypto stamps chapter
- Counterfeit and variation information
- Zumstein - Yvert comparison


## Frequently asked questions about Zumstein 3.0

### What is Zumstein 3.0?

Zumstein 3.0 is a digital catalog for stamp collectors, offering current prices and updates for stamps from Switzerland, Liechtenstein, and the UN. It is available in both German and French.

### What kind of information does Zumstein 3.0 provide?

Zumstein 3.0 includes the latest stamp prices, a catalog addendum, a new chapter on crypto stamps from Switzerland, and details on current stamp counterfeits and variations. It also features a Zumstein - Yvert comparison table.

### Is Zumstein 3.0 available for free?

Yes, Zumstein 3.0 is available for free. It is a free application with no in-app purchases or advertisements, based on the provided data.

### What devices support Zumstein 3.0?

Zumstein 3.0 is supported on iPhone, iPad, and iPod devices. It is designed for iOS users interested in philately.

### How often is Zumstein 3.0 updated?

The latest version of Zumstein 3.0 is 8.3.6, last updated on December 1, 2025. While specific update frequency isn't detailed, the app is actively maintained.

### What is the age rating for Zumstein 3.0?

Zumstein 3.0 has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.

### Who developed Zumstein 3.0?

Zumstein 3.0 was developed by RocketX Ltd. They are the publisher responsible for the application's content and updates.

### Does Zumstein 3.0 have ads?

No, Zumstein 3.0 does not contain advertisements. The application is ad-free, allowing users to access its philatelic information without interruption.

## Version history (last 5 releases)

### 8.3.6 — 2025-12-01

Verbesserte Benutzererfahrung

### 3.1 — 2023-12-21

Verbesserte Benutzererfahrung

### 2.7.6 — 2023-03-09

Verbesserte Benutzererfahrung

### 2.4 — 2023-02-23

Verbesserte Benutzererfahrung

### 2.2.3 — 2023-01-12

No release notes.

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## More apps by RocketX Ltd

- [THALGO Deutschland](https://appshunter.io/ios/app/thalgo-deutschland/id1611747069)
- [PUBLISHER App](https://appshunter.io/ios/app/publisher-app/id1612275743)
- [RocketX Cloud](https://appshunter.io/ios/app/rocketx-cloud/id1629442979)

All apps by RocketX Ltd: https://appshunter.io/developer/1611747071

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*