# 50Ohm vs Substage

The clearest difference is in-app purchases: 50Ohm at none against Substage's 3. 50Ohm also leads on iOS requirement (15.0 vs 26.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Substage sells 3 in-app purchases, starting at $12.99 per month. 50Ohm asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 50Ohm | Substage |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 40 MB | 227 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Deutscher Amateur-Radio-Club e. V.](https://appshunter.io/developer/652824517) | [Loopius Software UG (haftungsbeschraenkt)](https://appshunter.io/developer/345012367) |

## 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


### Substage

[App page](https://appshunter.io/ios/app/substage/id6758638305)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SubStage Pro - monthly | $12.99 | per month |
| SubStage | $34.99 | per 3 months |
| SubStage Pro - jährlich | $89.99 | per year |


## Frequently asked questions

### Is 50Ohm free?

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

### Is Substage free?

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

### Do 50Ohm or Substage have ads?

Neither 50Ohm nor Substage shows ads.

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

50Ohm ships an update every 3 months, and Substage every 3 months. Most recently, 50Ohm was updated on October 15, 2026 and Substage on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*