# Comprova vs A.DOT SNA

The clearest difference is iOS requirement: A.DOT SNA at 13.0 against Comprova's 15.1. On price, update cadence, 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.

Comprova ships an update every 4 months, A.DOT SNA every 2 months. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Comprova | A.DOT SNA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 33 MB | 52 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Casa da Moeda do Brasil CMB](https://appshunter.io/developer/1513214434) | [Tribunal de Justica do Estado do Parana](https://appshunter.io/developer/1650621559) |

## What reviewers say

### Comprova

[App page](https://appshunter.io/ios/app/comprova/id1545167193)

This app provides a secure digital identification solution for professionals, allowing companies to issue digital documents with the same legal validity as physical ones. It features a time-coded QR code for validation and facilitates communication through notifications and file sharing.

**Highlights:** Secure digital identification, Time-coded QR code validation, Digital documents with legal validity, Receive notifications and files, Issued by Casa da Moeda do Brasil

**In-app purchases:** none


### A.DOT SNA

[App page](https://appshunter.io/ios/app/adot-sna/id6754853205)

**In-app purchases:** none


## Frequently asked questions

### Is Comprova free?

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

### Is A.DOT SNA free?

A.DOT SNA is free to download, with no in-app purchases.

### Do Comprova or A.DOT SNA have ads?

Neither Comprova nor A.DOT SNA shows ads.

### Which is updated more often, Comprova or A.DOT SNA?

Comprova ships an update every 4 months, and A.DOT SNA every 2 months. Most recently, Comprova was updated on September 29, 2026 and A.DOT SNA on October 7, 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.*