# NCP Authenticator vs ETA Passenger

The clearest difference is in-app purchases: NCP Authenticator at none against ETA Passenger's 2. NCP Authenticator also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. ETA Passenger sells 2 in-app purchases, starting at $8.99 per year. NCP Authenticator asks for nothing beyond the download.

## The numbers

| Metric | NCP Authenticator | ETA Passenger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | — |
| Size | 18 MB | 10 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [N C P E GmbH Network Communications Products Engineering](https://appshunter.io/developer/1187926974) | [Theo Vankoekelberg](https://appshunter.io/developer/1873914246) |

## What reviewers say

### NCP Authenticator

[App page](https://appshunter.io/ios/app/ncp-authenticator/id1483468626)

**In-app purchases:** none


### ETA Passenger

[App page](https://appshunter.io/ios/app/eta-passenger/id6771680573)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ETA Passenger Premium | $8.99 | per year |
| ETA Passenger Premium | $22.99 | one-time |


## Frequently asked questions

### Is NCP Authenticator free?

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

### Is ETA Passenger free?

ETA Passenger is free to download, with in-app purchases available.

### Do NCP Authenticator or ETA Passenger have ads?

Neither NCP Authenticator nor ETA Passenger shows ads.

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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.*