# Darkroom Lab Timer vs GrayZone

The clearest difference is update cadence: GrayZone at weekly against Darkroom Lab Timer's every 11 months. GrayZone also leads on price ($2.99 vs $8.99). Darkroom Lab Timer's advantage is rating (3.0 vs 2.8) and chart position (#195 vs unranked). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Darkroom Lab Timer costs $8.99 and GrayZone $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Darkroom Lab Timer holds the better App Store score, 3.0 against 2.8. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 70% of Darkroom Lab Timer's written reviews are positive against 63% of GrayZone's.

Darkroom Lab Timer ships an update every 11 months, GrayZone weekly. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Darkroom Lab Timer | GrayZone |
| --- | --- | --- |
| Price | $8.99 | **$2.99** |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/darkroom-lab-timer/id1020149692/reviews)** | [2.8 (5 ratings)](https://appshunter.io/ios/app/grayzone-light-meter/id6757147623/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | **70.0% of reviews** | 62.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Weekly** |
| Monetization | Paid | Paid |
| Best chart rank | **#195** | — |
| Size | 3 MB | 3 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Freestyle Photo & Imaging](https://appshunter.io/developer/1786429988) | [Massimiliano Schenetti](https://appshunter.io/developer/1864870280) |

## What reviewers say

### Darkroom Lab Timer

[App page](https://appshunter.io/ios/app/darkroom-lab-timer/id1020149692)

**Currently charting:** #195 Top Paid · Photo & Video (US App Store)

This advanced timer app is designed for photographic processes like C-41, E-6, and B&W. It offers customizable steps, separate agitation sequences, and helpful tools like a volume mixer and safelight simulation.

**Highlights:** Customizable steps, Separate agitation sequences, Process templates, Volume and dilution mixer, Safelight simulation

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Darkroom Lab Timer free?

Darkroom Lab Timer costs $8.99, with no in-app purchases.

### Is GrayZone free?

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

### Which has better reviews, Darkroom Lab Timer or GrayZone?

Darkroom Lab Timer is rated higher. Darkroom Lab Timer averages 3.0 out of 5 from 4 ratings, while GrayZone averages 2.8 from 5 ratings.

### Do Darkroom Lab Timer or GrayZone have ads?

Neither Darkroom Lab Timer nor GrayZone shows ads.

### Which is updated more often, Darkroom Lab Timer or GrayZone?

Darkroom Lab Timer ships an update every 11 months, and GrayZone weekly. Most recently, Darkroom Lab Timer was updated on October 7, 2026 and GrayZone on October 8, 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.*