# Spectrum Genius Essence

> Light and color measurement tool with detailed photometric data. (iPhone/iPad app by Asensetek Canada inc..)

- Source: https://appshunter.io/ios/app/spectrum-genius-essence/id838757449 (this page in markdown: same URL + `.md`)
- Developer: [Asensetek Canada inc.](https://appshunter.io/developer/1538904435)
- Category: Productivity, Utilities
- Price: Free
- Rating: 3.00/5 from 3 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 55 MB
- Languages: English, Finnish, French, German, Italian, Japanese, Russian, Chinese, Spanish, Chinese and 1 more
- Released: 2014-03-21
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/spectrum-genius-essence/id838757449/reviews.md

## What is Spectrum Genius Essence?

The Best tool for communication about light and color! 

Spectrum Genius Essence (SGE) provides you friendly UI and rich information critical to everyone concerns about light and color.You can measure and get almost all photometry : 
Spectrum, CCT, CRI, CQS, Illuminance(lux), Foot Candle, λp, CIEx , CIEy, CIEu’, CIEv’, C78.377-2008, IEC-SDCM, and so on. 

With Spectrum Genius Essence (SGE) and Lighting Passport Essence, you become an expert about lighting and color. No more obstacle communicating with supplier, colleague, client, designer ,film maker and photographer.

Now Support：
iPhone4S and later version
iPad mini and later version
The new iPad and later version
iPod touch 5 and later version

Suggest you update iOS to the latest one for best user experience.

## Key features

- Spectrum measurement
- CCT and CRI calculation
- Illuminance measurement (lux, foot candle)
- CIEx and CIEy values
- IEC-SDCM calculation
- User-friendly interface

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/spectrum-genius-essence/id838757449/reviews.md

### 5/5 — Lighting Navigator

*2019-10-05, version 3.3.4*

Great app for collecting data on different lighting parameters and with the Lighting Navigator it can be used for several scientific applications!

### 1/5 — STOP! You don't want this app.

*2017-01-21, version 3.2.6*

This requires a purchased hardware device. It does not work from your camera. It is a useless app unless you have purchased their hardware. You don't want it.

## Frequently asked questions about Spectrum Genius Essence

### What photometric data can Spectrum Genius Essence measure?

Spectrum Genius Essence can measure a wide range of photometric data including Spectrum, CCT, CRI, CQS, Illuminance (lux and foot candle), λp, CIEx, CIEy, and more, providing comprehensive insights into light and color.

### What devices are compatible with Spectrum Genius Essence?

Spectrum Genius Essence is compatible with iPhone 4S and later, iPad mini and later, the new iPad and later, and iPod touch 5 and later. It is recommended to update to the latest iOS version for the best user experience.

### How often is Spectrum Genius Essence updated?

The latest version of Spectrum Genius Essence is 4.0.1, which was last updated on November 30, 2020. Users are encouraged to keep their iOS updated for optimal performance.

### What is the user sentiment for Spectrum Genius Essence based on ratings?

Spectrum Genius Essence has a rating of 3.0 stars from 3 ratings, indicating a mixed user reception. Specific user feedback is not detailed in the provided data.

### Does Spectrum Genius Essence offer any advanced features for professionals?

Yes, when used with a Lighting Passport Essence device, Spectrum Genius Essence allows users to become experts in lighting and color, facilitating clear communication with suppliers, colleagues, clients, designers, filmmakers, and photographers.

### Is Spectrum Genius Essence suitable for educational purposes?

The app provides rich information critical to understanding light and color, making it a valuable tool for educational purposes, especially for students and professionals in related fields.

### What is the age rating for Spectrum Genius Essence?

Spectrum Genius Essence has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 1 release)

### 4.0.1 — 2020-11-30

Fix calculated method

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## More apps by Asensetek Canada inc.

- [Spectrum Genius Mobile](https://appshunter.io/ios/app/spectrum-genius-mobile/id674989500)
- [Spectrum Genius Transmittance](https://appshunter.io/ios/app/spectrum-genius-transmittance/id793775281)
- [Spectrum Genius Agricultural](https://appshunter.io/ios/app/spectrum-genius-agricultural/id941509763)
- [Spectrum Genius Studio -Tablet](https://appshunter.io/ios/app/spectrum-genius-studio-tablet/id983911764)
- [Spectrum Genius Studio](https://appshunter.io/ios/app/spectrum-genius-studio/id1104284266)

All apps by Asensetek Canada inc.: https://appshunter.io/developer/1538904435

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*