# Radio 13c vs Grupp

The clearest difference is in-app purchases: Radio 13c at none against Grupp's 3. Radio 13c also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.2). Grupp's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 3 months). On price there is nothing between them.

Both are free to download. Grupp sells 2 one-off in-app purchases. Radio 13c asks for nothing beyond the download.

Radio 13c ships an update every 3 months, Grupp every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Radio 13c | Grupp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 145 MB | 103 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [RDF Media](https://appshunter.io/developer/1646684757) | [Bondaid S.P.A.](https://appshunter.io/developer/6781115322) |

## What reviewers say

### Radio 13c

[App page](https://appshunter.io/ios/app/radio-13c/id6444900582)

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

**In-app purchases:** none


### Grupp

[App page](https://appshunter.io/ios/app/grupp/id6781115320)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pase de Founding Member | $3.99 | one-time |
| Salida | $4.99 | one-time |


## Frequently asked questions

### Is Radio 13c free?

Radio 13c is free to download, with no in-app purchases.

### Is Grupp free?

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

### Do Radio 13c or Grupp have ads?

Radio 13c shows ads; Grupp does not.

### Which is updated more often, Radio 13c or Grupp?

Radio 13c ships an update every 3 months, and Grupp every 2 weeks. Most recently, Radio 13c was updated on November 3, 2026 and Grupp on October 31, 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.*