# boot Düsseldorf App vs docubau

The clearest difference is in-app purchases: boot Düsseldorf App at none against docubau's 6. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. docubau sells 6 in-app purchases, starting at $59.00 per month. boot Düsseldorf App asks for nothing beyond the download.

boot Düsseldorf App ships an update every 4 weeks, docubau every 2 weeks. The most recent releases landed on October 22, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | boot Düsseldorf App | docubau |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/boot-dusseldorf-app/id490072967/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 66 MB | 34 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Messe Düsseldorf GmbH](https://appshunter.io/developer/396662243) | [Online Performance UP GmbH](https://appshunter.io/developer/1518920647) |

## What reviewers say

### boot Düsseldorf App

[App page](https://appshunter.io/ios/app/boot-dusseldorf-app/id490072967)

Navigate the world's largest yacht and watersports show with this official event app. Discover exhibitors, plan your route with an interactive hall map, and stay updated with live event information.

**Highlights:** Interactive hall plan, Exhibitor and product directory, Save favorite exhibitors, Live updates and news, Event preparation tools

**Features:** macOS Compatibility

**In-app purchases:** none


### docubau

[App page](https://appshunter.io/ios/app/docubau/id6769102535)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solo Monthly | $59.00 | per month |
| Team Monthly | $99.99 | per month |
| Business Monthly | $179.00 | per month |
| Solo Annual | $499.99 | per year |
| Team Annual | $900.00 | per year |
| Business Annual | $999.99 | per year |


## Frequently asked questions

### Is boot Düsseldorf App free?

boot Düsseldorf App is free to download, with no in-app purchases.

### Is docubau free?

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

### Do boot Düsseldorf App or docubau have ads?

Neither boot Düsseldorf App nor docubau shows ads.

### Which is updated more often, boot Düsseldorf App or docubau?

boot Düsseldorf App ships an update every 4 weeks, and docubau every 2 weeks. Most recently, boot Düsseldorf App was updated on October 22, 2026 and docubau 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.*