# Photometrics vs Sidus Link Pro

The clearest difference is review sentiment: Photometrics at 67% against Sidus Link Pro's 22%. Photometrics also leads on rating (4.3 vs 2.7) and in-app purchases (none vs 4). Sidus Link Pro's advantage is update cadence (monthly vs every 5 months) and ratings volume (30 vs 7). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Sidus Link Pro sells 4 in-app purchases, starting at $9.99 per month. Photometrics asks for nothing beyond the download.

Photometrics holds the better App Store score, 4.3 against 2.7. Both are backed by a comparable volume of ratings — 7 and 30 respectively. Written reviews point the same way: 67% of Photometrics's written reviews are positive against 22% of Sidus Link Pro's.

Photometrics ships an update every 5 months, Sidus Link Pro monthly. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Photometrics | Sidus Link Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/photometrics/id733009338/reviews)** | [2.7 (30 ratings)](https://appshunter.io/ios/app/sidus-link-pro/id1574126730/reviews) |
| Number of ratings | 7 | **30** |
| Positive reviews | **66.7% of reviews** | 22.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 105 MB | 584 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [ARRI Group](https://appshunter.io/developer/733009342) | [Sidus Link Ltd.](https://appshunter.io/developer/1546027954) |

## What reviewers say

### Photometrics

[App page](https://appshunter.io/ios/app/photometrics/id733009338)

Access photometric data for ARRI light fixtures, including discontinued models and electronics ballasts. Features include illuminance, beam angle, luminous distribution graphs, and light properties. Tools for comparison, DMX calculations, and product catalogs are also available.

**Highlights:** Photometric data (illuminance, beam angle), Luminous distribution graphs, Light properties (CRI, TM30, TLCI), Metric and Imperial units, Camera exposure information, Project creation and preset saving, Lamphead comparison tool

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sidus Link Pro

[App page](https://appshunter.io/ios/app/sidus-link-pro/id1574126730)

This powerful lighting control app transforms your iPad into a professional console. Wirelessly manage DMX and CRMX-enabled lights, automate setup, and design complex lighting sequences with ease. Achieve precise, real-time control for any production.

**Highlights:** Wireless DMX and CRMX control, Console-style lighting control on iPad, Visual Layout View for fixture arrangement, Lightning-fast auto-patching and configuration, Real-time cueing for DMX lights, Design and manage lighting shows and effects, Centralized control for multiple fixture manufacturers

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $9.99 | per month |
| Max (Monthly) | $19.99 | per month |
| Pro (Annual) | $99.99 | per year |
| Max (Annual) | $199.99 | per year |


## Frequently asked questions

### Is Photometrics free?

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

### Is Sidus Link Pro free?

Sidus Link Pro is free to download, with in-app purchases available.

### Which has better reviews, Photometrics or Sidus Link Pro?

Photometrics is rated higher. Photometrics averages 4.3 out of 5 from 7 ratings, while Sidus Link Pro averages 2.7 from 30 ratings.

### Do Photometrics or Sidus Link Pro have ads?

Neither Photometrics nor Sidus Link Pro shows ads.

### Which is updated more often, Photometrics or Sidus Link Pro?

Photometrics ships an update every 5 months, and Sidus Link Pro monthly. Most recently, Photometrics was updated on October 23, 2026 and Sidus Link Pro on October 25, 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.*