# ArrayCalc Viewer vs Crewbooking

The clearest difference is update cadence: ArrayCalc Viewer at every 4 months against Crewbooking's every 11 months. Crewbooking's advantage is iOS requirement (12.0 vs 16). 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.

ArrayCalc Viewer ships an update every 4 months, Crewbooking every 11 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ArrayCalc Viewer | Crewbooking |
| --- | --- | --- |
| 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 11 months |
| Monetization | Free | — |
| Size | 40 MB | 40 MB |
| Requires iOS | 16 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [d&b audiotechnik GmbH & Co. KG](https://appshunter.io/developer/1174327968) | [Laurent Hitz](https://appshunter.io/developer/1519435284) |

## 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


### Crewbooking

[App page](https://appshunter.io/ios/app/crewbooking/id1519444823)

**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 Crewbooking free?

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

### Do ArrayCalc Viewer or Crewbooking have ads?

Neither ArrayCalc Viewer nor Crewbooking shows ads.

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

ArrayCalc Viewer ships an update every 4 months, and Crewbooking every 11 months. Most recently, ArrayCalc Viewer was updated on October 7, 2026 and Crewbooking on October 1, 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.*