# Feuerwehr Tools vs TerrOS

The clearest difference is update cadence: TerrOS at fortnightly against Feuerwehr Tools's every 5 weeks. TerrOS also leads on iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Feuerwehr Tools sells 3 one-off in-app purchases and TerrOS sells 1 in-app purchase, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Feuerwehr Tools ships an update every 5 weeks, TerrOS fortnightly. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Feuerwehr Tools | TerrOS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 35 MB | 147 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dirk Malorny](https://appshunter.io/developer/301250988) | [Dennis Wollborn](https://appshunter.io/developer/6783690973) |

## What reviewers say

### Feuerwehr Tools

[App page](https://appshunter.io/ios/app/feuerwehr-tools/id6473676696)

This app provides essential tools for emergency responders, including a hydrant map, forest rescue points, and defibrillator locations. It also offers coordinate conversion and a hazardous materials database.

**Highlights:** Hydrant map with OpenStreetMap integration, Forest rescue point locator, Defibrillator (AED) locations and details, Coordinate conversion (UTM, Gauss-Krüger), Hazardous materials search by UN number, Search for hydrants and rescue points by designation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kleine Spende | $0.99 | one-time |
| Mittlere Spende | $2.99 | one-time |
| Große Spende | $6.99 | one-time |


### TerrOS

[App page](https://appshunter.io/ios/app/terros/id6783690970)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mobatliches Abo | $8.99 | per month |


## Frequently asked questions

### Is Feuerwehr Tools free?

Feuerwehr Tools is free to download, with in-app purchases available.

### Is TerrOS free?

TerrOS is free to download, with in-app purchases available.

### Do Feuerwehr Tools or TerrOS have ads?

Neither Feuerwehr Tools nor TerrOS shows ads.

### Which is updated more often, Feuerwehr Tools or TerrOS?

Feuerwehr Tools ships an update every 5 weeks, and TerrOS fortnightly. Most recently, Feuerwehr Tools was updated on October 24, 2026 and TerrOS on October 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.*