# ArrayCalc Viewer vs TourNode

The clearest difference is update cadence: TourNode at every 2 months against ArrayCalc Viewer's every 4 months. 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, TourNode every 2 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ArrayCalc Viewer | TourNode |
| --- | --- | --- |
| 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 2 months** |
| Monetization | Free | — |
| Size | 40 MB | 41 MB |
| Requires iOS | 16 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [d&b audiotechnik GmbH & Co. KG](https://appshunter.io/developer/1174327968) | [Rolan Eduardo Reyes Rojas](https://appshunter.io/developer/1885545635) |

## 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


### TourNode

[App page](https://appshunter.io/ios/app/tournode/id6760656617)

**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 TourNode free?

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

### Do ArrayCalc Viewer or TourNode have ads?

Neither ArrayCalc Viewer nor TourNode shows ads.

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

ArrayCalc Viewer ships an update every 4 months, and TourNode every 2 months. Most recently, ArrayCalc Viewer was updated on October 7, 2026 and TourNode on October 8, 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.*