# Fast Responders vs RettApp

The clearest difference is update cadence: Fast Responders at every 3 weeks against RettApp's every 6 months. RettApp's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price, 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.

Fast Responders ships an update every 3 weeks, RettApp every 6 months. The most recent releases landed on September 24, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Fast Responders | RettApp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 56.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 40 MB | 44 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [medgineering GmbH](https://appshunter.io/developer/925317421) | [Aljoscha Otten](https://appshunter.io/developer/1742144969) |

## What reviewers say

### Fast Responders

[App page](https://appshunter.io/ios/app/fast-responders/id925317422)

This app connects qualified medical professionals to emergencies in their vicinity. It alerts nearby first-aiders to provide immediate assistance while professional rescue services are en route, potentially saving critical minutes and lives.

**Highlights:** Medical first aid network, Emergency alerts, Navigation to emergency location, Initiate first aid, Support for emergency services

**Features:** Vision Pro support

**In-app purchases:** none


### RettApp

[App page](https://appshunter.io/ios/app/rettapp-ev/id1031171079)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fast Responders free?

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

### Is RettApp free?

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

### Do Fast Responders or RettApp have ads?

Neither Fast Responders nor RettApp shows ads.

### Which is updated more often, Fast Responders or RettApp?

Fast Responders ships an update every 3 weeks, and RettApp every 6 months. Most recently, Fast Responders was updated on September 24, 2026 and RettApp on September 6, 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.*