# DeOlhoNaNota vs EMDEC

The clearest difference is update cadence: EMDEC at every 6 weeks against DeOlhoNaNota's every 4 months. On price, review sentiment, 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.

DeOlhoNaNota ships an update every 4 months, EMDEC every 6 weeks. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | DeOlhoNaNota | EMDEC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.3 (12 ratings)](https://appshunter.io/ios/app/deolhonanota/id978779341/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 0.0% of reviews | **6.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 5 MB | 55 MB |
| Requires iOS | **7.1** | 8.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | +4 | 17+ |
| Developer | [Companhia de Processamento de Dados do Estado de Sao Paulo](https://appshunter.io/developer/684060661) | [EMPRESA MUNICIPAL DE DESENVOLVIMENTO DE CAMPINAS SA](https://appshunter.io/developer/1502426683) |

## 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


### EMDEC

[App page](https://appshunter.io/ios/app/emdec/id1502426684)

Access municipal services and information on your mobile device. This app offers features for bus users, individuals with disabilities, cyclists, and drivers, including transit information, travel booking, traffic updates, and traffic violation management.

**Highlights:** Bus route and schedule consultation, QR code ticket purchase, PAI-Serviço travel booking, Traffic violation image viewing, Fine issuance and installment payments, Rotary parking zone sales map

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DeOlhoNaNota free?

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

### Is EMDEC free?

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

### Do DeOlhoNaNota or EMDEC have ads?

Neither DeOlhoNaNota nor EMDEC shows ads.

### Which is updated more often, DeOlhoNaNota or EMDEC?

DeOlhoNaNota ships an update every 4 months, and EMDEC every 6 weeks. Most recently, DeOlhoNaNota was updated on October 13, 2026 and EMDEC on October 14, 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.*