# Photometrics vs SetLnk

The clearest difference is update cadence: SetLnk at fortnightly against Photometrics's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Photometrics ships an update every 5 months, SetLnk fortnightly. The most recent releases landed on August 31, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | Photometrics | SetLnk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/photometrics/id733009338/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 105 MB | 34 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [ARRI Group](https://appshunter.io/developer/733009342) | [Soflink GmbH](https://appshunter.io/developer/1731343602) |

## 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


### SetLnk

[App page](https://appshunter.io/ios/app/setlnk/id6478009486)

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

**In-app purchases:** none


## Frequently asked questions

### Is Photometrics free?

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

### Is SetLnk free?

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

### Do Photometrics or SetLnk have ads?

Neither Photometrics nor SetLnk shows ads.

### Which is updated more often, Photometrics or SetLnk?

Photometrics ships an update every 5 months, and SetLnk fortnightly. Most recently, Photometrics was updated on August 31, 2026 and SetLnk on September 3, 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.*