# iCalvinus vs Authenticator Registra 360

The clearest difference is iOS requirement: iCalvinus at 12.0 against Authenticator Registra 360's 15.6. 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.

## The numbers

| Metric | iCalvinus | Authenticator Registra 360 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 58 MB | 79 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Dzigne Sistemas e Tecnologia LTDA ME](https://appshunter.io/developer/650792218) | [Montreal Informática SA](https://appshunter.io/developer/1478424012) |

## What reviewers say

### iCalvinus

[App page](https://appshunter.io/ios/app/icalvinus-scipb/id1612910020)

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

**In-app purchases:** none


### Authenticator Registra 360

[App page](https://appshunter.io/ios/app/authenticator-registra-360/id6752408861)

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

**In-app purchases:** none


## Frequently asked questions

### Is iCalvinus free?

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

### Is Authenticator Registra 360 free?

Authenticator Registra 360 is free to download, with no in-app purchases.

### Do iCalvinus or Authenticator Registra 360 have ads?

Neither iCalvinus nor Authenticator Registra 360 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.*