# Photometrics vs Tentacle Setup

The clearest difference is rating: Photometrics at 4.3 against Tentacle Setup's 3.9. Photometrics also leads on review sentiment (67% vs 53%). Tentacle Setup's advantage is update cadence (every 4 weeks vs every 5 months) and device support (5 vs 3). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Photometrics holds the better App Store score, 4.3 against 3.9. Both are backed by a comparable volume of ratings — 7 and 14 respectively. Written reviews point the same way: 67% of Photometrics's written reviews are positive against 53% of Tentacle Setup's.

Photometrics ships an update every 5 months, Tentacle Setup every 4 weeks. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Photometrics | Tentacle Setup |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/photometrics/id733009338/reviews)** | [3.9 (14 ratings)](https://appshunter.io/ios/app/tentacle-setup/id1035157175/reviews) |
| Number of ratings | 7 | **14** |
| Positive reviews | **66.7% of reviews** | 52.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 105 MB | 26 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ARRI Group](https://appshunter.io/developer/733009342) | [Tentacle Sync GmbH](https://appshunter.io/developer/1133987689) |

## 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


### Tentacle Setup

[App page](https://appshunter.io/ios/app/tentacle-setup/id1035157175)

This app allows you to control Tentacle SYNC E, TRACK E, and TIMEBAR devices via Bluetooth. It facilitates setting, syncing, and recording timecode for professional audio and video workflows. Simply turn on Bluetooth and follow the on-screen instructions to manage your devices.

**Highlights:** Device control via Bluetooth, Set, sync, and record timecode, Manage SYNC E, TRACK E, and TIMEBAR, Intuitive on-screen instructions, Streamlined workflow management

**In-app purchases:** none


## Frequently asked questions

### Is Photometrics free?

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

### Is Tentacle Setup free?

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

### Which has better reviews, Photometrics or Tentacle Setup?

Photometrics is rated higher. Photometrics averages 4.3 out of 5 from 7 ratings, while Tentacle Setup averages 3.9 from 14 ratings.

### Do Photometrics or Tentacle Setup have ads?

Neither Photometrics nor Tentacle Setup shows ads.

### Which is updated more often, Photometrics or Tentacle Setup?

Photometrics ships an update every 5 months, and Tentacle Setup every 4 weeks. Most recently, Photometrics was updated on October 6, 2026 and Tentacle Setup on October 11, 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.*