# Komm.ONE vs GEOMAR Authenticator

The clearest difference is iOS requirement: GEOMAR Authenticator at 13.0 against Komm.ONE'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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on August 21, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Komm.ONE | GEOMAR Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 26 MB | 42 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Kommunale Datenverarbeitung Region Stuttgart](https://appshunter.io/developer/586571218) | [NetKnights GmbH](https://appshunter.io/developer/1445401030) |

## What reviewers say

### Komm.ONE

[App page](https://appshunter.io/ios/app/kommone/id6443602769)

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

**In-app purchases:** none


### GEOMAR Authenticator

[App page](https://appshunter.io/ios/app/geomar-authenticator/id6476554059)

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

**In-app purchases:** none


## Frequently asked questions

### Is Komm.ONE free?

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

### Is GEOMAR Authenticator free?

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

### Do Komm.ONE or GEOMAR Authenticator have ads?

Neither Komm.ONE nor GEOMAR Authenticator shows ads.

### Which is updated more often, Komm.ONE or GEOMAR Authenticator?

Komm.ONE ships an update every 3 months, and GEOMAR Authenticator every 3 months. Most recently, Komm.ONE was updated on August 21, 2026 and GEOMAR Authenticator on September 26, 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.*