# DUApp vs Auto

The clearest difference is in-app purchases: DUApp at none against Auto's 2. Auto's advantage is update cadence (every 8 days vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Auto sells 2 in-app purchases, starting at $2.99 per month. DUApp asks for nothing beyond the download.

DUApp ships an update every 6 months, Auto every 8 days. Both last shipped on October 10, 2026.

## The numbers

| Metric | DUApp | Auto |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 12 MB | 62 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Imprensa Nacional-Casa da Moeda S.A.](https://appshunter.io/developer/1367188525) | [Auto-mate](https://appshunter.io/developer/1857977298) |

## 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


### Auto

[App page](https://appshunter.io/ios/app/auto-mate/id6759175722)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscrição Premium Mensal | $2.99 | per month |
| Subscrição Premium Anual | $24.99 | per year |


## Frequently asked questions

### Is DUApp free?

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

### Is Auto free?

Auto is free to download, with in-app purchases available.

### Do DUApp or Auto have ads?

Neither DUApp nor Auto shows ads.

### Which is updated more often, DUApp or Auto?

DUApp ships an update every 6 months, and Auto every 8 days. Most recently, DUApp was updated on October 10, 2026 and Auto on October 10, 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.*