# GrayZone vs Luminic Light Meter

The clearest difference is update cadence: Luminic Light Meter at every 3 days against GrayZone's weekly. GrayZone's advantage is price ($2.99 vs $3.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

GrayZone costs $2.99 and Luminic Light Meter $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GrayZone ships an update weekly, Luminic Light Meter every 3 days. The most recent releases landed on October 8, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | GrayZone | Luminic Light Meter |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Rating | **[2.8 (5 ratings)](https://appshunter.io/ios/app/grayzone-light-meter/id6757147623/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Paid | — |
| Size | 3 MB | 1 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Massimiliano Schenetti](https://appshunter.io/developer/1864870280) | [FELIX SWENSSON](https://appshunter.io/developer/1892133295) |

## What reviewers say

### GrayZone

[App page](https://appshunter.io/ios/app/grayzone-light-meter/id6757147623)

This app acts as a precise light meter for photographers, allowing you to measure light in specific areas of your scene. It helps achieve consistent exposure and accurate tonal representation, especially in challenging lighting conditions.

**Highlights:** Zone System Mode for tonal analysis, Real SPOT metering for selected areas, Direct exposure control with ISO, shutter speed, and aperture, Live preview with native sensor ratio, UI color inversion option, No ads or data collection

**In-app purchases:** none


### Luminic Light Meter

[App page](https://appshunter.io/ios/app/luminic-light-meter/id6761933065)

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

**In-app purchases:** none


## Frequently asked questions

### Is GrayZone free?

GrayZone costs $2.99, with no in-app purchases.

### Is Luminic Light Meter free?

Luminic Light Meter costs $3.99, with no in-app purchases.

### Do GrayZone or Luminic Light Meter have ads?

Neither GrayZone nor Luminic Light Meter shows ads.

### Which is updated more often, GrayZone or Luminic Light Meter?

GrayZone ships an update weekly, and Luminic Light Meter every 3 days. Most recently, GrayZone was updated on October 8, 2026 and Luminic Light Meter on September 21, 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.*