# d.3 mobile vs DeltaMaster

The clearest difference is update cadence: DeltaMaster at every 2 months against d.3 mobile's every 4 months. DeltaMaster also leads on iOS requirement (10.0 vs 13.0). 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.

d.3 mobile ships an update every 4 months, DeltaMaster every 2 months. The most recent releases landed on September 23, 2026 and December 18, 2025 respectively.

## The numbers

| Metric | d.3 mobile | DeltaMaster |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 236 MB | 90 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [d.velop AG](https://appshunter.io/developer/391833196) | [Bissantz & Company GmbH](https://appshunter.io/developer/459444758) |

## What reviewers say

### d.3 mobile

[App page](https://appshunter.io/ios/app/d3-mobile/id391833193)

Access business documents and make decisions on the go. This app connects to an existing d.3 server, providing secure access to information like invoices, emails, and spreadsheets from your mobile device.

**Highlights:** Mobile access to business documents, Decision making on the go, Access to invoices, emails, spreadsheets, Reliable information retrieval, Part of d.3 ECM System

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

**In-app purchases:** none


### DeltaMaster

[App page](https://appshunter.io/ios/app/deltamaster/id924014410)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is d.3 mobile free?

d.3 mobile is free to download, with no in-app purchases.

### Is DeltaMaster free?

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

### Do d.3 mobile or DeltaMaster have ads?

Neither d.3 mobile nor DeltaMaster shows ads.

### Which is updated more often, d.3 mobile or DeltaMaster?

d.3 mobile ships an update every 4 months, and DeltaMaster every 2 months. Most recently, d.3 mobile was updated on September 23, 2026 and DeltaMaster on December 18, 2025.

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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.*