# ArrayCalc Viewer vs PA TOOLS

The clearest difference is review sentiment: PA TOOLS at 100% against ArrayCalc Viewer's 50%. PA TOOLS also leads on rating (5.0 vs 4.1) and update cadence (every 3 weeks vs every 4 months). ArrayCalc Viewer's advantage is in-app purchases (none vs 1) and ratings volume (8 vs 1). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. PA TOOLS sells 1 one-off in-app purchase. ArrayCalc Viewer asks for nothing beyond the download.

PA TOOLS holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: ArrayCalc Viewer has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of ArrayCalc Viewer's written reviews are positive against 100% of PA TOOLS's.

ArrayCalc Viewer ships an update every 4 months, PA TOOLS every 3 weeks. The most recent releases landed on June 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ArrayCalc Viewer | PA TOOLS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (8 ratings)](https://appshunter.io/ios/app/arraycalc-viewer/id1181023656/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pa-tools/id6475635649/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 40 MB | 63 MB |
| Requires iOS | 16 | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [d&b audiotechnik GmbH & Co. KG](https://appshunter.io/developer/1174327968) | [Olivier Jobin](https://appshunter.io/developer/1724582388) |

## 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


### PA TOOLS

[App page](https://appshunter.io/ios/app/pa-tools/id6475635649)

This app assists with stage preparation and PA system tuning. It provides tools for L-Acoustics presets, patcher viewing, and calculating wave lengths and room modes.

**Highlights:** L-Acoustics preset guide, Patcher viewer, Wave length calculator, Room mode calculator, Stage preparation assistance

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PA Tools – Full Unlock | $22.99 | one-time |


## Frequently asked questions

### Is ArrayCalc Viewer free?

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

### Is PA TOOLS free?

PA TOOLS is free to download, with in-app purchases available.

### Which has better reviews, ArrayCalc Viewer or PA TOOLS?

PA TOOLS is rated higher. ArrayCalc Viewer averages 4.1 out of 5 from 8 ratings, while PA TOOLS averages 5.0 from 1 ratings.

### Do ArrayCalc Viewer or PA TOOLS have ads?

Neither ArrayCalc Viewer nor PA TOOLS shows ads.

### Which is updated more often, ArrayCalc Viewer or PA TOOLS?

ArrayCalc Viewer ships an update every 4 months, and PA TOOLS every 3 weeks. Most recently, ArrayCalc Viewer was updated on June 10, 2026 and PA TOOLS on September 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*