# OneWelcome Authenticator vs ZerID Validate

The clearest difference is update cadence: ZerID Validate at every 3 weeks against OneWelcome Authenticator's every 9 months. ZerID Validate also leads on iOS requirement (12.0 vs 15.0). 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.

OneWelcome Authenticator ships an update every 9 months, ZerID Validate every 3 weeks. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | OneWelcome Authenticator | ZerID Validate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Size | 87 MB | 25 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OneWelcome B.V.](https://appshunter.io/developer/1519234513) | [ZERID LTD](https://appshunter.io/developer/1778828573) |

## What reviewers say

### OneWelcome Authenticator

[App page](https://appshunter.io/ios/app/onewelcome-authenticator/id1617625719)

**In-app purchases:** none


### ZerID Validate

[App page](https://appshunter.io/ios/app/zerid-validate/id6740565799)

**In-app purchases:** none


## Frequently asked questions

### Is OneWelcome Authenticator free?

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

### Is ZerID Validate free?

ZerID Validate is free to download, with no in-app purchases.

### Do OneWelcome Authenticator or ZerID Validate have ads?

Neither OneWelcome Authenticator nor ZerID Validate shows ads.

### Which is updated more often, OneWelcome Authenticator or ZerID Validate?

OneWelcome Authenticator ships an update every 9 months, and ZerID Validate every 3 weeks. Most recently, OneWelcome Authenticator was updated on October 7, 2026 and ZerID Validate on October 2, 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.*