# DLR_next vs 50Ohm

The clearest difference is iOS requirement: DLR_next at 13.0 against 50Ohm's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DLR_next ships an update every 4 months, 50Ohm every 3 months. The most recent releases landed on September 24, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | DLR_next | 50Ohm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dlr-next/id871094282/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 88.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 38 MB | 40 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [DLR German Aerospace Center e.V.](https://appshunter.io/developer/418202933) | [Deutscher Amateur-Radio-Club e. V.](https://appshunter.io/developer/652824517) |

## What reviewers say

### DLR_next

[App page](https://appshunter.io/ios/app/dlr-next/id871094282)

Explore the cosmos with interactive features about the International Space Station and the night sky. Track the ISS's live position, find upcoming visible passes, and use your phone as a mobile observatory to identify stars and planets.

**Highlights:** Live ISS position tracking, Upcoming ISS pass predictions, Mobile star observatory, Identify stars and planets, Detailed information on bright stars, Interactive 3D ISS map

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is DLR_next free?

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

### Is 50Ohm free?

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

### Do DLR_next or 50Ohm have ads?

Neither DLR_next nor 50Ohm shows ads.

### Which is updated more often, DLR_next or 50Ohm?

DLR_next ships an update every 4 months, and 50Ohm every 3 months. Most recently, DLR_next was updated on September 24, 2026 and 50Ohm on September 29, 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.*