# d.velop mobile vs GMB Bau

d.velop mobile and GMB Bau are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | d.velop mobile | GMB Bau |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 34 MB | 131 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [d.velop AG](https://appshunter.io/developer/391833196) | [Marco Heine](https://appshunter.io/developer/1504273741) |

## What reviewers say

### d.velop mobile

[App page](https://appshunter.io/ios/app/dvelop-mobile/id1464693393)

Access and work with your digital documents from anywhere. This app allows you to select files for offline use and receive notifications when they are ready. It ensures secure and easy mobile access to your files by connecting to your existing d.velop or d.3one system.

**Highlights:** Mobile document access, Offline file selection, Background file loading, Push notifications, Secure document work, Connects to d.velop/d.3one

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

**In-app purchases:** none


### GMB Bau

[App page](https://appshunter.io/ios/app/gmb-bau-app/id6745517617)

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

**In-app purchases:** none


## Frequently asked questions

### Is d.velop mobile free?

d.velop mobile is free to download, with no in-app purchases.

### Is GMB Bau free?

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

### Do d.velop mobile or GMB Bau have ads?

Neither d.velop mobile nor GMB Bau shows ads.

### Which is updated more often, d.velop mobile or GMB Bau?

d.velop mobile ships an update every 3 weeks, and GMB Bau every 3 weeks. Most recently, d.velop mobile was updated on October 24, 2026 and GMB Bau on October 28, 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.*