# DeOlhoNaNota vs QR Code

The clearest difference is review sentiment: QR Code at 100% against DeOlhoNaNota's 0%. QR Code also leads on rating (5.0 vs 1.3). DeOlhoNaNota's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.

QR Code holds the better App Store score, 5.0 against 1.3. That said, the two scores are not equally well evidenced: DeOlhoNaNota has 12 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of DeOlhoNaNota's written reviews are positive against 100% of QR Code's.

DeOlhoNaNota ships an update every 4 months, QR Code every 6 months. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | DeOlhoNaNota | QR Code |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (12 ratings)](https://appshunter.io/ios/app/deolhonanota/id978779341/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/qr-code-leitor-e-gerador/id1553166466/reviews)** |
| Number of ratings | **12** | 2 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | **Free** | Ad-supported |
| Size | 5 MB | 50 MB |
| Requires iOS | **7.1** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Companhia de Processamento de Dados do Estado de Sao Paulo](https://appshunter.io/developer/684060661) | [G PLUS - TECNOLOGIA DA INFORMACAO EIRELI](https://appshunter.io/developer/1500946630) |

## What reviewers say

### DeOlhoNaNota

[App page](https://appshunter.io/ios/app/deolhonanota/id978779341)

Verify electronic fiscal receipts and consumer invoices issued in São Paulo using your phone's camera to scan QR codes. This app checks if receipts were generated by a registered SAT equipment, replacing paper receipts and fiscal printers. It displays key purchase details from electronic fiscal documents.

**Highlights:** Scan electronic fiscal receipts, Verify consumer invoices, Read QR codes from SAT equipment, Display purchase details, Replaces paper receipts

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

**In-app purchases:** none


### QR Code

[App page](https://appshunter.io/ios/app/qr-code-leitor-e-gerador/id1553166466)

Easily scan, read, and generate QR codes with this straightforward application. It provides quick access to scanned codes and allows for simple QR code creation. The app also offers insights into QR code technology and its applications.

**Highlights:** Scan QR codes quickly, View QR code reading history, Generate QR codes easily, Learn about QR code technology, Create custom QR codes

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

**In-app purchases:** none


## Frequently asked questions

### Is DeOlhoNaNota free?

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

### Is QR Code free?

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

### Which has better reviews, DeOlhoNaNota or QR Code?

QR Code is rated higher. DeOlhoNaNota averages 1.3 out of 5 from 12 ratings, while QR Code averages 5.0 from 2 ratings.

### Do DeOlhoNaNota or QR Code have ads?

QR Code shows ads; DeOlhoNaNota does not.

### Which is updated more often, DeOlhoNaNota or QR Code?

DeOlhoNaNota ships an update every 4 months, and QR Code every 6 months. Most recently, DeOlhoNaNota was updated on October 13, 2026 and QR Code 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.*