iTruss vs ArrayCalc Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iTruss
Calculate structural loads, spans, and truss requirements for construction projects directly from your iPhone. This tool simplifies complex engineering calculations for field use.
- Load calculation
- Span determination
- Truss analysis
- Field use optimization
- Engineering calculations
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Determine load, span or truss needed for your job in the field with this exciting new iPhone® application from XSF. EULA link https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ArrayCalc Viewer
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.
- 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
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The d&b ArrayCalc Viewer app provides all project data for rigging a d&b audiotechnik loudspeaker system. Once the system has been designed, calculated and optimized in the ArrayCalc simulation software, all relevant project information can be shared via email, AirDrop, Dropbox or iTunes onto any iOS device. The d&b ArrayCalc simulation software is the simulation tool for d&b line arrays, column and point source loudspeakers as well as subwoofers. This is a comprehensive toolbox for all tasks associated with acoustic design, performance prediction, alignment, rigging and safety parameters. It is available as a native standalone application for both Microsoft Windows and Mac OS X operating systems. ArrayCalc Viewer main benefits: - All relevant rigging, setup and system information close to hand in a concise format - Any changes to the system design can be immediately distributed - Paperless and efficient - User friendly
Screenshots
Verdict
The clearest difference is update cadence: ArrayCalc Viewer at every 4 months against iTruss's every 23 months. iTruss's advantage is iOS requirement (11.0 vs 16). On price, rating, ratings volume and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.1 for iTruss against 4.1 for ArrayCalc Viewer. Both are backed by a comparable volume of ratings — 15 and 8 respectively.
iTruss ships an update every 23 months, ArrayCalc Viewer every 4 months. The most recent releases landed on September 15, 2026 and September 19, 2026 respectively.
| Parameter | iTruss | ArrayCalc Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (15 ratings) | 4.1 (8 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 15 — better | 8 |
| Update frequency | Every 23 months | Every 4 months — better |
| Ads | — | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 16 |
| Further details — not scored | ||
| Size | 70 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Xtreme Structures & Fabrication LLC | d&b audiotechnik GmbH & Co. KG |
Customer experience
iTruss
ArrayCalc Viewer
In-app purchases
iTruss
No in-app purchases
ArrayCalc Viewer
No in-app purchases
