ArrayCalc Viewer vs ezPoster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
ezPoster
Control your ezPoster LED display remotely via WiFi. Manage multiple displays, adjust settings like brightness and color, and easily add or delete picture and video content. Create custom programs with image zoom and crop features.
- WiFi control of LED displays
- Manage multiple displays
- Adjust brightness and color temperature
- Add/delete picture and video programs
- Image zoom and crop
- Switch to test mode
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ezPoster iOS client simplify the control of the ezPoster LED display. Features: ● Communicate with the ezPoster LED display over WiFi, using a WiFi router or the ezPoster LED display's built-in WiFi ● List all ezPoster LED displays on one screen ● Change the name of the display so it's easy to remember and identify ● Adjust brightness ● Change the playing program ● Add/Delete Picture or Video program ● Image zoom and crop feature makes program creation easy ● Change the content horizontal and vertical offset ● Adjust color temperature ● Switch to test mode ● Restore to factory default state
Screenshots
Verdict
The clearest difference is rating: ezPoster at 5.0 against ArrayCalc Viewer's 4.1. ezPoster also leads on update cadence (every 11 days vs every 4 months). ArrayCalc Viewer's advantage is ratings volume (8 vs 2). On price, ads, in-app purchases and monetization model 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.
ezPoster holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 8 and 2 respectively.
ArrayCalc Viewer ships an update every 4 months, ezPoster every 11 days. The most recent releases landed on October 7, 2026 and September 23, 2026 respectively.
| Parameter | ArrayCalc Viewer | ezPoster |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (8 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 8 — better | 2 |
| Update frequency | Every 4 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 16 — better | 17.6 |
| Further details — not scored | ||
| Size | 40 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | d&b audiotechnik GmbH & Co. KG | SEE SHARP VISUAL, INC |
Customer experience
ArrayCalc Viewer
ezPoster
In-app purchases
ArrayCalc Viewer
No in-app purchases
ezPoster
No in-app purchases







