# ArrayCalc Viewer vs ezPoster

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.

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.

## The numbers

| Metric | ArrayCalc Viewer | ezPoster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (8 ratings)](https://appshunter.io/ios/app/arraycalc-viewer/id1181023656/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ezposter/id1577090988/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 11 days** |
| Monetization | Free | Free |
| Size | 40 MB | 6 MB |
| Requires iOS | **16** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [d&b audiotechnik GmbH & Co. KG](https://appshunter.io/developer/1174327968) | [SEE SHARP VISUAL, INC](https://appshunter.io/developer/1476650935) |

## 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


### ezPoster

[App page](https://appshunter.io/ios/app/ezposter/id1577090988)

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.

**Highlights:** 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

**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 ezPoster free?

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

### Which has better reviews, ArrayCalc Viewer or ezPoster?

ezPoster is rated higher. ArrayCalc Viewer averages 4.1 out of 5 from 8 ratings, while ezPoster averages 5.0 from 2 ratings.

### Do ArrayCalc Viewer or ezPoster have ads?

Neither ArrayCalc Viewer nor ezPoster shows ads.

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

ArrayCalc Viewer ships an update every 4 months, and ezPoster every 11 days. Most recently, ArrayCalc Viewer was updated on October 7, 2026 and ezPoster on September 23, 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.*