# ArrayCalc Viewer vs SOLA Measures

The clearest difference is review sentiment: ArrayCalc Viewer at 50% against SOLA Measures's 0%. ArrayCalc Viewer also leads on rating (4.1 vs 3.3). On price, ratings volume, update cadence and ads 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 holds the better App Store score, 4.1 against 3.3. Both are backed by a comparable volume of ratings — 8 and 4 respectively. Written reviews point the same way: 50% of ArrayCalc Viewer's written reviews are positive against 0% of SOLA Measures's.

ArrayCalc Viewer ships an update every 4 months, SOLA Measures every 2 months. The most recent releases landed on June 10, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | ArrayCalc Viewer | SOLA Measures |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (8 ratings)](https://appshunter.io/ios/app/arraycalc-viewer/id1181023656/reviews)** | [3.3 (4 ratings)](https://appshunter.io/ios/app/sola-measures/id1491473333/reviews) |
| Number of ratings | **8** | 4 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 40 MB | 182 MB |
| Requires iOS | 16 | **15.8.3** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [d&b audiotechnik GmbH & Co. KG](https://appshunter.io/developer/1174327968) | [SOLA-Messwerkzeuge GmbH](https://appshunter.io/developer/1491473332) |

## 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


### SOLA Measures

[App page](https://appshunter.io/ios/app/sola-measures/id1491473333)

Connect your SOLA measuring tools to your smartphone via Bluetooth to transfer, save, and share measurements. Add notes, photos, and videos to your data, and organize it into projects for easy access. Ideal for documenting slopes, angles, or leveling tasks.

**Highlights:** Bluetooth connectivity with SOLA tools, Direct measurement transfer, Save measurements with date, time, and location, Add notes, photos, and videos, Overlay measurements on photos, Organize measurements into projects, Share results instantly

**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 SOLA Measures free?

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

### Which has better reviews, ArrayCalc Viewer or SOLA Measures?

ArrayCalc Viewer is rated higher. ArrayCalc Viewer averages 4.1 out of 5 from 8 ratings, while SOLA Measures averages 3.3 from 4 ratings.

### Do ArrayCalc Viewer or SOLA Measures have ads?

Neither ArrayCalc Viewer nor SOLA Measures shows ads.

### Which is updated more often, ArrayCalc Viewer or SOLA Measures?

ArrayCalc Viewer ships an update every 4 months, and SOLA Measures every 2 months. Most recently, ArrayCalc Viewer was updated on June 10, 2026 and SOLA Measures on September 15, 2026.

---

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