# Previnet OTP vs QRio

The clearest difference is device support: QRio at 3 against Previnet OTP's 1. QRio also leads on iOS requirement (13.0 vs 16.6). On price, ads and in-app purchases 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 | Previnet OTP | QRio |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 19 MB | 34 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PREVINET SERVIZI PER LA PREVIDENZA SPA](https://appshunter.io/developer/585612736) | [Ali Gur](https://appshunter.io/developer/1843490354) |

## What reviewers say

### Previnet OTP

[App page](https://appshunter.io/ios/app/previnet-otp/id680474557)

This utility app generates unique, time-based verification codes for enhanced security when accessing web services. It supports multiple accounts and offers convenient activation via QR code or URL.

**Highlights:** Generates time-based verification codes, Provides enhanced security for web services, Supports multiple accounts, QR Code activation, URL activation

**Features:** macOS Compatibility

**In-app purchases:** none


### QRio

[App page](https://appshunter.io/ios/app/qrio-qr-code-scanner/id6761298266)

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

**In-app purchases:** none


## Frequently asked questions

### Is Previnet OTP free?

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

### Is QRio free?

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

### Do Previnet OTP or QRio have ads?

Neither Previnet OTP nor QRio 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.*