# Comprova vs IUP6D

The clearest difference is update cadence: Comprova at every 4 months against IUP6D's every 16 months. On price, ads, 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.

Comprova ships an update every 4 months, IUP6D every 16 months. Both last shipped on September 29, 2026.

## The numbers

| Metric | Comprova | IUP6D |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 16 months |
| Monetization | Free | — |
| Size | 33 MB | 26 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Casa da Moeda do Brasil CMB](https://appshunter.io/developer/1513214434) | [FERYOU LLC](https://appshunter.io/developer/1704698336) |

## 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


### IUP6D

[App page](https://appshunter.io/ios/app/iup6d/id6463645369)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Comprova free?

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

### Is IUP6D free?

IUP6D is free to download, with no in-app purchases.

### Do Comprova or IUP6D have ads?

Neither Comprova nor IUP6D shows ads.

### Which is updated more often, Comprova or IUP6D?

Comprova ships an update every 4 months, and IUP6D every 16 months. Most recently, Comprova was updated on September 29, 2026 and IUP6D on September 29, 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.*