# TeamSystem Authenticator vs PLN Open

The clearest difference is update cadence: PLN Open at every 3 days against TeamSystem Authenticator's every 2 months. PLN Open also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

TeamSystem Authenticator ships an update every 2 months, PLN Open every 3 days. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | TeamSystem Authenticator | PLN Open |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 7 MB | 21 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Teamsystem SPA](https://appshunter.io/developer/545232556) | [Ministero delle Infrastrutture e dei Trasporti](https://appshunter.io/developer/417705374) |

## What reviewers say

### TeamSystem Authenticator

[App page](https://appshunter.io/ios/app/teamsystem-authenticator/id6752563152)

**In-app purchases:** none


### PLN Open

[App page](https://appshunter.io/ios/app/pln-open/id6776702586)

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

**In-app purchases:** none


## Frequently asked questions

### Is TeamSystem Authenticator free?

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

### Is PLN Open free?

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

### Do TeamSystem Authenticator or PLN Open have ads?

Neither TeamSystem Authenticator nor PLN Open shows ads.

### Which is updated more often, TeamSystem Authenticator or PLN Open?

TeamSystem Authenticator ships an update every 2 months, and PLN Open every 3 days. Most recently, TeamSystem Authenticator was updated on October 18, 2026 and PLN Open on October 15, 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.*