# Elvis Viewer vs DUO DMX APP

The clearest difference is iOS requirement: DUO DMX APP at 7.1 against Elvis Viewer's 9.1. 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.

## The numbers

| Metric | Elvis Viewer | DUO DMX APP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 139 MB | 9 MB |
| Requires iOS | 9.1 | **7.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IT Gesellschaft fuer Informationstechnik mbH](https://appshunter.io/developer/593524089) | [BAB TECHNOLOGIE GmbH](https://appshunter.io/developer/911817892) |

## What reviewers say

### Elvis Viewer

[App page](https://appshunter.io/ios/app/elvis-viewer/id593523186)

**Features:** macOS Compatibility

**In-app purchases:** none


### DUO DMX APP

[App page](https://appshunter.io/ios/app/duo-dmx-app/id1100738877)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Elvis Viewer free?

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

### Is DUO DMX APP free?

DUO DMX APP is free to download, with no in-app purchases.

### Do Elvis Viewer or DUO DMX APP have ads?

Neither Elvis Viewer nor DUO DMX APP shows ads.

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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.*