# Get Luminance vs Illuminance Meter

The clearest difference is in-app purchases: Get Luminance at none against Illuminance Meter's 3. Get Luminance also leads on iOS requirement (9.0 vs 17.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Illuminance Meter sells 3 in-app purchases, starting at $3.99 per 7 days. Get Luminance asks for nothing beyond the download.

Get Luminance ships an update every 4 months, Illuminance Meter every 3 months. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Get Luminance | Illuminance Meter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 13 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Box 50 Pty Ltd](https://appshunter.io/developer/1457392493) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### Get Luminance

[App page](https://appshunter.io/ios/app/get-luminance/id1457392494)

This utility app provides an empirical basis for calculating the luminance 'seen' by a photograph. It aims to ensure good luminance contrast for safer environments and assist designers in creating compliant spaces. The tool supports multiple calculation methods and measures luminance in prevailing light conditions.

**Highlights:** Empirical luminance calculation, Ensures luminance contrast for safety, Facilitates compliance assessment, Assists designers with compliant designs, Supports 4 main calculation methods, Measures luminance in prevailing light

**Features:** macOS Compatibility

**In-app purchases:** none


### Illuminance Meter

[App page](https://appshunter.io/ios/app/illuminance-meter-lux-ppfd/id6759972986)

Transform your iPhone into a professional light meter to measure illuminance in lux or foot-candles. Ideal for photographers, plant enthusiasts, and workplace safety, it provides instant, accurate light readings with various specialized modes and data export options.

**Highlights:** Real-time lux measurement with live gauge, Photography mode for exposure value (EV) calculation, Plant light mode with recommendations, Workplace standards verification, Measurement history with export options, Spectrum analysis for color temperature and CRI, Multiple illuminance unit switching

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Plan | $3.99 | per 7 days |
| Premium Yearly | $19.99 | per year |
| Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Get Luminance free?

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

### Is Illuminance Meter free?

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

### Do Get Luminance or Illuminance Meter have ads?

Neither Get Luminance nor Illuminance Meter shows ads.

### Which is updated more often, Get Luminance or Illuminance Meter?

Get Luminance ships an update every 4 months, and Illuminance Meter every 3 months. Most recently, Get Luminance was updated on November 2, 2026 and Illuminance Meter on October 31, 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.*