# GESTIS vs GefahrGutNav

The clearest difference is ads: GESTIS at none against GefahrGutNav's shown. GESTIS also leads on device support (4 vs 2) and iOS requirement (14.0 vs 17.6). GefahrGutNav's advantage is update cadence (every 2 months vs every 7 months). On price 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.

GESTIS ships an update every 7 months, GefahrGutNav every 2 months. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | GESTIS | GefahrGutNav |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 7 MB | 13 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Deutsche Gesetzliche Unfallversicherung e.V. (DGUV)](https://appshunter.io/developer/487126969) | [Samuel Schwarze](https://appshunter.io/developer/600532877) |

## What reviewers say

### GESTIS

[App page](https://appshunter.io/ios/app/gestis-ilv/id487126946)

This reference tool provides international limit values for chemical agents. A web application is now available, as a native mobile app will no longer be supported after January 6, 2025.

**Highlights:** International limit values for chemical agents, Web application access, Reference tool for chemical substances

**In-app purchases:** none


### GefahrGutNav

[App page](https://appshunter.io/ios/app/gefahrgutnav/id6474615552)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GESTIS free?

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

### Is GefahrGutNav free?

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

### Do GESTIS or GefahrGutNav have ads?

GefahrGutNav shows ads; GESTIS does not.

### Which is updated more often, GESTIS or GefahrGutNav?

GESTIS ships an update every 7 months, and GefahrGutNav every 2 months. Most recently, GESTIS was updated on October 14, 2026 and GefahrGutNav on October 18, 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.*