# GA Ossingen vs TrustID Authenticator

The clearest difference is update cadence: TrustID Authenticator at every 6 weeks against GA Ossingen's every 5 months. GA Ossingen's advantage is iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GA Ossingen ships an update every 5 months, TrustID Authenticator every 6 weeks. Both last shipped on October 7, 2026.

## The numbers

| Metric | GA Ossingen | TrustID Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (6 ratings)](https://appshunter.io/ios/app/trustid-authenticator/id1467907374/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 50 MB | 97 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Gemeinschafts Antennenanlage Ossingen](https://appshunter.io/developer/945366249) | [ELCA Informatik AG](https://appshunter.io/developer/472704075) |

## What reviewers say

### GA Ossingen

[App page](https://appshunter.io/ios/app/ga-ossingen/id945366250)

**Features:** macOS Compatibility

**In-app purchases:** none


### TrustID Authenticator

[App page](https://appshunter.io/ios/app/trustid-authenticator/id1467907374)

Secure your accounts with two-factor authentication. Confirm sign-ins via push notifications or use offline mode if unavailable. Your sensitive data is stored securely on your device.

**Highlights:** Two-factor authentication, Secure on-device data storage, Push notification confirmation, Offline mode for sign-ins, Biometric or PIN protection

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GA Ossingen free?

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

### Is TrustID Authenticator free?

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

### Do GA Ossingen or TrustID Authenticator have ads?

Neither GA Ossingen nor TrustID Authenticator shows ads.

### Which is updated more often, GA Ossingen or TrustID Authenticator?

GA Ossingen ships an update every 5 months, and TrustID Authenticator every 6 weeks. Most recently, GA Ossingen was updated on October 7, 2026 and TrustID Authenticator on October 7, 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.*