# Vio vs Qr code Reader

The clearest difference is rating: Vio at 4.5 against Qr code Reader's 2.0. Vio also leads on in-app purchases (none vs 3) and update cadence (every 3 weeks vs every 14 months). Qr code Reader's advantage is iOS requirement (13.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. Qr code Reader sells 3 in-app purchases, starting at $3.99 per 7 days. Vio asks for nothing beyond the download.

Vio holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: Vio has 74 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 41% of Vio's written reviews are positive against 14% of Qr code Reader's.

Vio ships an update every 3 weeks, Qr code Reader every 14 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Vio | Qr code Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (74 ratings)](https://appshunter.io/ios/app/vio-qr-seguro/id1218953994/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/qr-code-reader-qr/id6736643546/reviews) |
| Number of ratings | **74** | 1 |
| Positive reviews | **40.6% of reviews** | 14.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 14 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 33 MB | 23 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +9 |
| Developer | [Servico Federal de Processamento de Dados (SERPRO)](https://appshunter.io/developer/529883044) | [Aspen Resolve LLC](https://appshunter.io/developer/1890544928) |

## What reviewers say

### Vio

[App page](https://appshunter.io/ios/app/vio-qr-seguro/id1218953994)

Verify the authenticity of official Brazilian documents by scanning Vio QR Codes. View original document data, including photos, directly on your phone. Compare the displayed information to ensure the document is trusted. Works offline for convenient verification.

**Highlights:** Scan Vio QR Codes, View original document data, Compare document information, Supports CNH, DNI, CRLV, Placa Veicular, Offline functionality, Verify trusted documents

**In-app purchases:** none


### Qr code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-qr/id6736643546)

Easily scan QR codes to instantly view their content or create your own personalized QR codes. This tool also allows for editing and beautifying generated codes, with a content management table for easy access.

**Highlights:** Scan QR codes, Create QR codes, Edit and beautify QR codes, Content management table, Share exclusive QR codes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Members | $3.99 | per 7 days |
| Monthly Membership | $5.99 | one-time |
| Annual Membership | $14.99 | one-time |


## Frequently asked questions

### Is Vio free?

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

### Is Qr code Reader free?

Qr code Reader is free to download, with in-app purchases available.

### Which has better reviews, Vio or Qr code Reader?

Vio is rated higher. Vio averages 4.5 out of 5 from 74 ratings, while Qr code Reader averages 2.0 from 1 ratings.

### Do Vio or Qr code Reader have ads?

Neither Vio nor Qr code Reader shows ads.

### Which is updated more often, Vio or Qr code Reader?

Vio ships an update every 3 weeks, and Qr code Reader every 14 months. Most recently, Vio was updated on October 29, 2026 and Qr code Reader on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*