# KG Regenbogen vs WDR 4

The clearest difference is update cadence: WDR 4 at every 3 weeks against KG Regenbogen's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

KG Regenbogen ships an update every 4 months, WDR 4 every 3 weeks. The most recent releases landed on November 2, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | KG Regenbogen | WDR 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (11 ratings)](https://appshunter.io/ios/app/wdr-4/id1513178850/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 68.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 12 MB | 98 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [online-Forum GmbH](https://appshunter.io/developer/1125974529) | [WDR](https://appshunter.io/developer/728414655) |

## What reviewers say

### KG Regenbogen

[App page](https://appshunter.io/ios/app/kg-regenbogen/id1154838467)

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

**In-app purchases:** none


### WDR 4

[App page](https://appshunter.io/ios/app/wdr-4/id1513178850)

Listen to your favorite radio hits live or on demand. Get regional news, weather, and traffic updates. Access podcasts, comedy, and music shows, and interact with the studio by sending messages and music requests.

**Highlights:** Live radio streaming, On-demand audio content, Regional news and weather, Traffic updates, Podcasts and comedy shows, Music request feature, Personalized content

**In-app purchases:** none


## Frequently asked questions

### Is KG Regenbogen free?

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

### Is WDR 4 free?

WDR 4 is free to download, with no in-app purchases.

### Do KG Regenbogen or WDR 4 have ads?

Neither KG Regenbogen nor WDR 4 shows ads.

### Which is updated more often, KG Regenbogen or WDR 4?

KG Regenbogen ships an update every 4 months, and WDR 4 every 3 weeks. Most recently, KG Regenbogen was updated on November 2, 2026 and WDR 4 on November 11, 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.*