# ArrayCalc Viewer vs Martin Companion

The clearest difference is iOS requirement: Martin Companion at 14.0 against ArrayCalc Viewer's 16. On price, update cadence, ads and in-app purchases there is nothing between them.

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

ArrayCalc Viewer ships an update every 4 months, Martin Companion every 5 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | ArrayCalc Viewer | Martin Companion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (8 ratings)](https://appshunter.io/ios/app/arraycalc-viewer/id1181023656/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Free | — |
| Size | 40 MB | 53 MB |
| Requires iOS | 16 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [d&b audiotechnik GmbH & Co. KG](https://appshunter.io/developer/1174327968) | [Harman Professional, Inc.](https://appshunter.io/developer/410104207) |

## 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


### Martin Companion

[App page](https://appshunter.io/ios/app/martin-companion/id6502285381)

**In-app purchases:** none


## Frequently asked questions

### Is ArrayCalc Viewer free?

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

### Is Martin Companion free?

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

### Do ArrayCalc Viewer or Martin Companion have ads?

Neither ArrayCalc Viewer nor Martin Companion shows ads.

### Which is updated more often, ArrayCalc Viewer or Martin Companion?

ArrayCalc Viewer ships an update every 4 months, and Martin Companion every 5 months. Most recently, ArrayCalc Viewer was updated on October 24, 2026 and Martin Companion on October 24, 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.*