# o2 my Service vs privacyIDEA Authenticator

The clearest difference is review sentiment: o2 my Service at 95% against privacyIDEA Authenticator's 43%. o2 my Service also leads on rating (4.8 vs 3.0) and ratings volume (37 vs 7). privacyIDEA Authenticator's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17). 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.

o2 my Service holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: o2 my Service has 37 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 95% of o2 my Service's written reviews are positive against 43% of privacyIDEA Authenticator's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | o2 my Service | privacyIDEA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (37 ratings)](https://appshunter.io/ios/app/o2-my-service/id1305865393/reviews)** | [3.0 (7 ratings)](https://appshunter.io/ios/app/privacyidea-authenticator/id1445401301/reviews) |
| Number of ratings | **37** | 7 |
| Positive reviews | **95.0% of reviews** | 42.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 295 MB | 30 MB |
| Requires iOS | 17 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Conntac GmbH](https://appshunter.io/developer/1305865392) | [NetKnights GmbH](https://appshunter.io/developer/1445401030) |

## What reviewers say

### o2 my Service

[App page](https://appshunter.io/ios/app/o2-my-service/id1305865393)

This app helps users quickly and easily resolve issues with their internet and mobile connections. It offers automatic problem detection, interactive troubleshooting, and direct contact with customer service for faster resolution.

**Highlights:** Automatic problem detection, Interactive troubleshooting guides, Direct customer service contact, Setup assistant for internet connections, Router identification via camera scan, WLAN setup assistance

**In-app purchases:** none


### 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


## Frequently asked questions

### Is o2 my Service free?

o2 my Service is free to download, with no in-app purchases.

### Is privacyIDEA Authenticator free?

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

### Which has better reviews, o2 my Service or privacyIDEA Authenticator?

o2 my Service is rated higher. o2 my Service averages 4.8 out of 5 from 37 ratings, while privacyIDEA Authenticator averages 3.0 from 7 ratings.

### Do o2 my Service or privacyIDEA Authenticator have ads?

Neither o2 my Service nor privacyIDEA Authenticator shows ads.

### Which is updated more often, o2 my Service or privacyIDEA Authenticator?

o2 my Service ships an update every 2 months, and privacyIDEA Authenticator every 2 months. Most recently, o2 my Service was updated on October 29, 2026 and privacyIDEA Authenticator on October 24, 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.*