# KATWARN vs Gemeinde Blumenholz

The clearest difference is update cadence: KATWARN at every 4 months against Gemeinde Blumenholz's every 9 months. KATWARN also leads on iOS requirement (13.0 vs 15.0). 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.

KATWARN ships an update every 4 months, Gemeinde Blumenholz every 9 months. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | KATWARN | Gemeinde Blumenholz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/katwarn/id566560753/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 9 months |
| Monetization | Free | — |
| Size | 5 MB | 8 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CombiRisk - Riskmanagement GmbH](https://appshunter.io/developer/566560756) | [apicodo GmbH](https://appshunter.io/developer/1169099711) |

## What reviewers say

### KATWARN

[App page](https://appshunter.io/ios/app/katwarn/id566560753)

Receive location-based alerts for dangers and disasters across Germany. Get notified about major fires, extreme weather, and other critical events for your current location and up to seven additional chosen areas. The app uses energy-efficient location services to minimize battery drain.

**Highlights:** Location-based alerts for up to 8 locations, Zip code precise warnings, Color-coded warning levels, Energy-efficient battery usage, Real-time danger area notifications, Feedback function

**Features:** Vision Pro support

**In-app purchases:** none


### Gemeinde Blumenholz

[App page](https://appshunter.io/ios/app/gemeinde-blumenholz/id6755594091)

**In-app purchases:** none


## Frequently asked questions

### Is KATWARN free?

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

### Is Gemeinde Blumenholz free?

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

### Do KATWARN or Gemeinde Blumenholz have ads?

Neither KATWARN nor Gemeinde Blumenholz shows ads.

### Which is updated more often, KATWARN or Gemeinde Blumenholz?

KATWARN ships an update every 4 months, and Gemeinde Blumenholz every 9 months. Most recently, KATWARN was updated on October 15, 2026 and Gemeinde Blumenholz on October 4, 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.*