# 50Ohm vs AFuP Karten

The clearest difference is review sentiment: 50Ohm at 89% against AFuP Karten's 0%. 50Ohm also leads on in-app purchases (none vs 9) and iOS requirement (15.0 vs 18.2). AFuP Karten's advantage is update cadence (monthly vs every 3 months). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. AFuP Karten sells 5 one-off in-app purchases. 50Ohm asks for nothing beyond the download.

50Ohm ships an update every 3 months, AFuP Karten monthly. The most recent releases landed on September 10, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 50Ohm | AFuP Karten |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **88.9% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 40 MB | 62 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Deutscher Amateur-Radio-Club e. V.](https://appshunter.io/developer/652824517) | [Tobias Wissmueller](https://appshunter.io/developer/785655742) |

## What reviewers say

### 50Ohm

[App page](https://appshunter.io/ios/app/50ohm/id6474642114)

Prepare for your amateur radio license exam with comprehensive learning materials. This app offers short lessons and quick feedback to complement online courses and make studying on the go easy. Contribute your ideas to help improve the volunteer-developed application.

**Highlights:** Amateur radio exam preparation, Short, mobile-friendly lessons, Quick feedback on progress, Complements online courses, Volunteer-developed

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

**In-app purchases:** none


### AFuP Karten

[App page](https://appshunter.io/ios/app/afup-karten/id6476484572)

Prepare effectively for the German amateur radio license exam with this app. It features all official questions for license classes N, E, and A, with detailed explanations and two learning modes. Practice offline with realistic exam simulations and helpful resources.

**Highlights:** Official exam questions for N, E, A classes, Detailed explanations for each question, Leitner system and simple learning modes, Progress tracking per category, Realistic exam simulation, Offline access to all questions, Formulas, regulations, and diagrams

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unterstützung | $0.99 | one-time |
| Unterstützung | $2.99 | one-time |
| Unterstützung | $3.99 | one-time |
| Werbung entfernen | $3.99 | one-time |
| Unterstützung | $8.99 | one-time |


## Frequently asked questions

### Is 50Ohm free?

50Ohm is free to download, with no in-app purchases.

### Is AFuP Karten free?

AFuP Karten is free to download, with in-app purchases available.

### Do 50Ohm or AFuP Karten have ads?

Neither 50Ohm nor AFuP Karten shows ads.

### Which is updated more often, 50Ohm or AFuP Karten?

50Ohm ships an update every 3 months, and AFuP Karten monthly. Most recently, 50Ohm was updated on September 10, 2026 and AFuP Karten on September 16, 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.*