# Photometrics vs Sim DATA Calculator

The clearest difference is rating: Photometrics at 4.3 against Sim DATA Calculator's 3.3. Sim DATA Calculator's advantage is iOS requirement (8.0 vs 15.6). On price, review sentiment, ratings volume and update cadence 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 3.3. Both are backed by a comparable volume of ratings — 7 and 8 respectively. Written reviews split almost evenly too, at 67% and 67% positive.

Photometrics ships an update every 5 months, Sim DATA Calculator every 3 months. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Photometrics | Sim DATA Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/photometrics/id733009338/reviews)** | [3.3 (8 ratings)](https://appshunter.io/ios/app/sim-data-calculator/id1227617424/reviews) |
| Number of ratings | 7 | **8** |
| Positive reviews | 66.7% of reviews | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 105 MB | 4 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ARRI Group](https://appshunter.io/developer/733009342) | [Picture Shop, LLC](https://appshunter.io/developer/1578966152) |

## 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


### Sim DATA Calculator

[App page](https://appshunter.io/ios/app/sim-data-calculator/id1227617424)

This tool helps professionals in media production calculate data transfer times and media sizes for various cameras. It offers an all-in-one solution for comparing camera data, estimating internet transfer durations, and calculating consumption for entire shows or movies.

**Highlights:** Compare camera data sizes side-by-side, Calculate internet transfer times, Copy results to clipboard, Calculate data consumption for TV shows/movies, Calculate complex framing variations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Photometrics free?

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

### Is Sim DATA Calculator free?

Sim DATA Calculator is free to download, with no in-app purchases.

### Which has better reviews, Photometrics or Sim DATA Calculator?

Photometrics is rated higher. Photometrics averages 4.3 out of 5 from 7 ratings, while Sim DATA Calculator averages 3.3 from 8 ratings.

### Do Photometrics or Sim DATA Calculator have ads?

Neither Photometrics nor Sim DATA Calculator shows ads.

### Which is updated more often, Photometrics or Sim DATA Calculator?

Photometrics ships an update every 5 months, and Sim DATA Calculator every 3 months. Most recently, Photometrics was updated on October 6, 2026 and Sim DATA Calculator on October 4, 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.*