# Photometrics vs Photon

The clearest difference is in-app purchases: Photometrics at none against Photon's 1. Photometrics also leads on review sentiment (67% vs 42%) and device support (3 vs 1). Photon's advantage is update cadence (every 6 weeks vs every 5 months) and ratings volume (27 vs 7). On price, rating and ads there is nothing between them.

Both are free to download. Photon sells 1 one-off in-app purchase. Photometrics asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for Photometrics against 4.4 for Photon. Both are backed by a comparable volume of ratings — 7 and 27 respectively. Written reviews are what separate them: 67% of Photometrics's written reviews are positive against 42% of Photon's.

Photometrics ships an update every 5 months, Photon every 6 weeks. The most recent releases landed on August 31, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Photometrics | Photon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (7 ratings)](https://appshunter.io/ios/app/photometrics/id733009338/reviews) | **[4.4 (27 ratings)](https://appshunter.io/ios/app/photon-dmx-light-controller/id1198023297/reviews)** |
| Number of ratings | 7 | **27** |
| Positive reviews | **66.7% of reviews** | 41.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 105 MB | 36 MB |
| Requires iOS | 15.6 | **10** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [ARRI Group](https://appshunter.io/developer/733009342) | [Photon Studio](https://appshunter.io/developer/449592177) |

## 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


### Photon

[App page](https://appshunter.io/ios/app/photon-dmx-light-controller/id1198023297)

Control DMX lighting wirelessly for events, clubs, and theaters. Create sequences, synchronize lights to music with beat tracking, and manage fixtures with a user-friendly interface. Offers advanced features via in-app purchase.

**Highlights:** Wireless Art-Net/sACN DMX control, Multi-touch interface optimized for iPad, Light group management, Scene and animation creation, Beat tracker for music synchronization, Fixture database and creator, Sequencer with timeline editing

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Light Sequencer | $24.99 | one-time |


## Frequently asked questions

### Is Photometrics free?

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

### Is Photon free?

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

### Which has better reviews, Photometrics or Photon?

Photon is rated higher. Photometrics averages 4.3 out of 5 from 7 ratings, while Photon averages 4.4 from 27 ratings.

### Do Photometrics or Photon have ads?

Neither Photometrics nor Photon shows ads.

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

Photometrics ships an update every 5 months, and Photon every 6 weeks. Most recently, Photometrics was updated on August 31, 2026 and Photon on June 1, 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.*