# ArrayCalc Viewer vs CrewBrain

The clearest difference is review sentiment: ArrayCalc Viewer at 50% against CrewBrain's 11%. ArrayCalc Viewer also leads on device support (3 vs 1). CrewBrain's advantage is update cadence (fortnightly vs every 4 months). 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.

ArrayCalc Viewer ships an update every 4 months, CrewBrain fortnightly. The most recent releases landed on September 19, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ArrayCalc Viewer | CrewBrain |
| --- | --- | --- |
| 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** | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 40 MB | 68 MB |
| Requires iOS | **16** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [d&b audiotechnik GmbH & Co. KG](https://appshunter.io/developer/1174327968) | [CrewBrain GmbH](https://appshunter.io/developer/1593729634) |

## 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


### CrewBrain

[App page](https://appshunter.io/ios/app/crewbrain/id1593729632)

Streamline personnel planning for events with a central platform for requests and arrangements. It offers clear event displays, staff availability overviews, and automatic notifications to ensure efficient team management.

**Highlights:** Centralized request handling, Staff availability overview, Automatic notifications, Clear event display, iCal subscription, Time tracking, Assignment planning

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

**In-app purchases:** none


## Frequently asked questions

### Is ArrayCalc Viewer free?

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

### Is CrewBrain free?

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

### Do ArrayCalc Viewer or CrewBrain have ads?

Neither ArrayCalc Viewer nor CrewBrain shows ads.

### Which is updated more often, ArrayCalc Viewer or CrewBrain?

ArrayCalc Viewer ships an update every 4 months, and CrewBrain fortnightly. Most recently, ArrayCalc Viewer was updated on September 19, 2026 and CrewBrain on September 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.*