# DUApp vs C.Solidario

The clearest difference is update cadence: C.Solidario at every 2 months against DUApp's every 6 months. C.Solidario also leads on iOS requirement (12.0 vs 15.0). 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.

DUApp ships an update every 6 months, C.Solidario every 2 months. The most recent releases landed on October 10, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | DUApp | C.Solidario |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (4 ratings)](https://appshunter.io/ios/app/duapp/id1474224031/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 12 MB | 87 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Imprensa Nacional-Casa da Moeda S.A.](https://appshunter.io/developer/1367188525) | [Escola Secundária Henrique Medina](https://appshunter.io/developer/1747283358) |

## What reviewers say

### DUApp

[App page](https://appshunter.io/ios/app/duapp/id1474224031)

This app reads information from Portugal's certified vehicle registration document using UniQode®. It provides intuitive and friendly access to the document's complete details. Note that it does not replace the physical document.

**Highlights:** Read UniQode® information, Access vehicle document details, Intuitive interface, Friendly user experience, Digital access to document data

**Features:** macOS Compatibility

**In-app purchases:** none


### C.Solidario

[App page](https://appshunter.io/ios/app/csolidario/id6587570279)

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

**In-app purchases:** none


## Frequently asked questions

### Is DUApp free?

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

### Is C.Solidario free?

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

### Do DUApp or C.Solidario have ads?

Neither DUApp nor C.Solidario shows ads.

### Which is updated more often, DUApp or C.Solidario?

DUApp ships an update every 6 months, and C.Solidario every 2 months. Most recently, DUApp was updated on October 10, 2026 and C.Solidario on October 19, 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.*