# Küstenschutz vs ZHB FRIDA

The clearest difference is iOS requirement: Küstenschutz at 9.0 against ZHB FRIDA'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.

Küstenschutz ships an update monthly, ZHB FRIDA every 3 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Küstenschutz | ZHB FRIDA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 73 MB | 16 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [gemelo GmbH](https://appshunter.io/developer/560758665) | [GBV](https://appshunter.io/developer/1770606921) |

## What reviewers say

### Küstenschutz

[App page](https://appshunter.io/ios/app/kustenschutz/id1403797105)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZHB FRIDA

[App page](https://appshunter.io/ios/app/zhb-frida/id6760939447)

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

**In-app purchases:** none


## Frequently asked questions

### Is Küstenschutz free?

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

### Is ZHB FRIDA free?

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

### Do Küstenschutz or ZHB FRIDA have ads?

Neither Küstenschutz nor ZHB FRIDA shows ads.

### Which is updated more often, Küstenschutz or ZHB FRIDA?

Küstenschutz ships an update monthly, and ZHB FRIDA every 3 weeks. Most recently, Küstenschutz was updated on November 2, 2026 and ZHB FRIDA 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.*