Vio vs Qr code Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vio
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.
- Scan Vio QR Codes
- View original document data
- Compare document information
- Supports CNH, DNI, CRLV, Placa Veicular
- Offline functionality
- Verify trusted documents
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You can use Vio App to read printed Vio QR Code on compatible documents to see on your cellphone screen all original data from that document, including the photo. You can compare that document with the informations showed from Vio App and validated as a trusted document. Currently supported documents: • Brazilian driver's license (CNH); • Brazilian national identity card (DNI); • Brazilian vehicle license (CRLV); • Brazilian license plate (Placa Veicular); Soon, others official government documents will be support. The Vio QR Code technology was created by SERPRO and it is different that others commons QR Codes. That is the reason about the Vio APP only can read its own QR Codes. Vio works off-line. It can read and decode Vio QR Codes without internet access. Read more at https://servicos.serpro.gov.br/vio/
Qr code Reader
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.
- Scan QR codes
- Create QR codes
- Edit and beautify QR codes
- Content management table
- Share exclusive QR codes
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Personalized and exquisite QR code generation tool and QR code scanning tool 1. Scan QR code: Quickly scan the QR code to view the content 2. Create QR code: Create and share your exclusive QR code 3. Edit QR code: Beautify and decorate the generated QR code 4 Content Management Table: Instantly view QR code content - Privacy Policy: https://docs.qq.com/doc/DRk9xRkpldEpoUHRM - Terms of Use: https://docs.qq.com/doc/DRnRWZ1FKa05iTHBL
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Vio | Qr code Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (74 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 40.6% of reviews — better | 14.3% of reviews |
| Number of ratings | 74 — better | 1 |
| Update frequency | Every 3 weeks — better | Every 14 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.5 | 13.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 23 MB |
| Age rating | 4+ | +9 |
| Developer | Servico Federal de Processamento de Dados (SERPRO) | Aspen Resolve LLC |
Customer experience
Vio
Qr code Reader
In-app purchases
Vio
No in-app purchases
Qr code Reader
- Weekly Members3 Days trial$3.997 Days
- Monthly Membership$5.99
- Annual Membership$14.99
Questions
Is Vio free?
Is Qr code Reader free?
Which has better reviews, Vio or Qr code Reader?
Do Vio or Qr code Reader have ads?
Which is updated more often, Vio or Qr code Reader?
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