# RETTERAlarm vs Durstlöscher

The clearest difference is iOS requirement: RETTERAlarm at 13.0 against Durstlöscher'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.

RETTERAlarm ships an update every 2 months, Durstlöscher monthly. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | RETTERAlarm | Durstlöscher |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 68.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 107 MB | 90 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Sascha Radermacher](https://appshunter.io/developer/528345987) | [Dennis Thieme](https://appshunter.io/developer/1813245176) |

## What reviewers say

### RETTERAlarm

[App page](https://appshunter.io/ios/app/retteralarm/id1450627328)

This app provides reliable alerting for emergency responders, including fire brigades, rescue services, and aid organizations. It uses mobile phones to send encrypted alerts via push, WhatsApp, or email, allowing users to provide feedback on their availability and track deployment statistics.

**Highlights:** Encrypted alerts via push, WhatsApp, email, Direct feedback on availability, GPS location for arrival time calculation, Availability planning calendar, Deployment statistics and overview, Encrypted operation chat, Customizable alarm tones

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

**In-app purchases:** none


### Durstlöscher

[App page](https://appshunter.io/ios/app/durstloscher/id6745633603)

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

**In-app purchases:** none


## Frequently asked questions

### Is RETTERAlarm free?

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

### Is Durstlöscher free?

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

### Do RETTERAlarm or Durstlöscher have ads?

Neither RETTERAlarm nor Durstlöscher shows ads.

### Which is updated more often, RETTERAlarm or Durstlöscher?

RETTERAlarm ships an update every 2 months, and Durstlöscher monthly. Most recently, RETTERAlarm was updated on November 11, 2026 and Durstlöscher on November 8, 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.*