# ArrayCalc Viewer vs MP Install

The clearest difference is rating: MP Install at 5.0 against ArrayCalc Viewer's 4.1. MP Install also leads on iOS requirement (12.4 vs 16). ArrayCalc Viewer's advantage is update cadence (every 4 months vs every 10 months) and ratings volume (8 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

MP Install holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: ArrayCalc Viewer has 8 ratings behind it against 1, so its average is the more settled of the two.

ArrayCalc Viewer ships an update every 4 months, MP Install every 10 months. The most recent releases landed on June 10, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | ArrayCalc Viewer | MP Install |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (8 ratings)](https://appshunter.io/ios/app/arraycalc-viewer/id1181023656/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mp-install/id1403917002/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 10 months |
| Monetization | Free | Free |
| Size | 40 MB | 26 MB |
| Requires iOS | 16 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [d&b audiotechnik GmbH & Co. KG](https://appshunter.io/developer/1174327968) | [QSC Audio Products, LLC.](https://appshunter.io/developer/417461923) |

## What reviewers say

### ArrayCalc Viewer

[App page](https://appshunter.io/ios/app/arraycalc-viewer/id1181023656)

Access all project data for rigging d&b audiotechnik loudspeaker systems on your iOS device. Share system designs, calculations, and optimizations seamlessly. This app offers a paperless and efficient way to keep all relevant rigging, setup, and system information readily available.

**Highlights:** Access rigging and system information, Share project data via email, AirDrop, Dropbox, iTunes, View system designs and calculations, Paperless and efficient operation, User-friendly interface

**In-app purchases:** none


### MP Install

[App page](https://appshunter.io/ios/app/mp-install/id1403917002)

Configure and control business music and paging mixers for retail and hospitality. Features a setup wizard and intuitive interface for system tuning, with offline or online mixer setup capabilities.

**Highlights:** Configure and control QSC MP-M mixers, Setup Wizard for guided configuration, Intuitive graphic environment, Offline or online mixer setup, Intrinsic Correction™ for QSC loudspeakers, Wi-Fi connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ArrayCalc Viewer free?

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

### Is MP Install free?

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

### Which has better reviews, ArrayCalc Viewer or MP Install?

MP Install is rated higher. ArrayCalc Viewer averages 4.1 out of 5 from 8 ratings, while MP Install averages 5.0 from 1 ratings.

### Do ArrayCalc Viewer or MP Install have ads?

Neither ArrayCalc Viewer nor MP Install shows ads.

### Which is updated more often, ArrayCalc Viewer or MP Install?

ArrayCalc Viewer ships an update every 4 months, and MP Install every 10 months. Most recently, ArrayCalc Viewer was updated on June 10, 2026 and MP Install on September 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.*