# privacyIDEA Authenticator vs Mobile Event Log

The clearest difference is iOS requirement: Mobile Event Log at 13.0 against privacyIDEA Authenticator's 15.6. 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.

privacyIDEA Authenticator ships an update every 2 months, Mobile Event Log every 6 weeks. The most recent releases landed on September 26, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | privacyIDEA Authenticator | Mobile Event Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (7 ratings)](https://appshunter.io/ios/app/privacyidea-authenticator/id1445401301/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 30 MB | 19 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NetKnights GmbH](https://appshunter.io/developer/1445401030) | [Alfred-Wegener-Institut](https://appshunter.io/developer/1578278224) |

## What reviewers say

### privacyIDEA Authenticator

[App page](https://appshunter.io/ios/app/privacyidea-authenticator/id1445401301)

This app transforms your smartphone into a secure authentication device for two-factor authentication. It seamlessly integrates with a backend system, offering a more secure rollout process than traditional tokens.

**Highlights:** Two-factor authentication, OTP token support, Secure rollout process, Smartphone as authentication device, REST API integration

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

**In-app purchases:** none


### Mobile Event Log

[App page](https://appshunter.io/ios/app/mobile-event-log/id6764346720)

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

**In-app purchases:** none


## Frequently asked questions

### Is privacyIDEA Authenticator free?

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

### Is Mobile Event Log free?

Mobile Event Log is free to download, with no in-app purchases.

### Do privacyIDEA Authenticator or Mobile Event Log have ads?

Neither privacyIDEA Authenticator nor Mobile Event Log shows ads.

### Which is updated more often, privacyIDEA Authenticator or Mobile Event Log?

privacyIDEA Authenticator ships an update every 2 months, and Mobile Event Log every 6 weeks. Most recently, privacyIDEA Authenticator was updated on September 26, 2026 and Mobile Event Log 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.*