GrayZone User Reviews

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GrayZone - Esposimetro has limited verification signals. AppsHunter Legitimacy Score for GrayZone is 48/100.

Based on 48 of 100 points across 7 verification signals from App Store and developer data.

Top reviews

Not really the “Zone System”

Maybe this app can be more useful with future revisions. For now it seems the most value is for determining the number of stops between dark and light to stay within the dynamic range of your selected film. To use the zone system effectively one needs to be able to measure the value (EV) of the brightest highlight, or the darkest shadow where details are to be retained, and to place that on a desired zone (e.g. zone VII/VIII for highlights, or zone VII/VIII for shadows). Then with your ISO set, use the corresponding shutter speed and aperture associated with the selected zone. This app just makes whatever you measure zone V and subsequent measurements are based off of that. That means that in order to effectively place everything in the scene in the proper zone you would have to always point the spot meter at something that’s actually neutral gray (zone V). Without the ability to read EV, place it on the desired zone and then select your desired shutter speed and aperture combination, this app has little value.
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No placement of reference reading.

I don’t get it, for zone system controls one needs to read an important shadow and then place it on the zone scale. For this example point at a shadow which becomes the reference or zone V. Unless I am missing something I can’t find a way to place the reference reading at say zone III. Without being able to place a shadow reading at say zone III then any other readings are useless. Correct me if I am wrong.

With a spot meter I point at an important shadow, place that shadow, say zone III, then read the highlights. With the shadow placed at zone III then the highlight reading will fall at say zone VIII. With that N-1 processing would be needed.

Can the reference reading be placed at say zone III? If not what is the point.
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Response from developer

Thanks for your detailed feedback. You are correct about the traditional Zone System workflow: a shadow value is normally measured and placed on a chosen zone (for example Zone III), then highlights are evaluated from that placement. GrayZone, however, was designed with a slightly different approach, simplified: the first reading establishes a reference point (Zone V), and subsequent readings show their relative position on the scale. The goal is to quickly visualize tonal relationships rather than replace the complete Adams workflow. This doesn’t mean the method is incorrect: it is simply based on a different starting point. I understand that for photographers following the classic Zone System, the ability to assign the first reading to a specific zone would make the app more flexible, and I will consider adding this in a future update. Since your review is based on the assumption that the app should work differently, I would appreciate it if you could reconsider the rating in light of how the feature is intended to work. Thank you again for taking the time to share such thoughtful feedback and if you want, write to the support email for further details.

Support for 1/3-stop increments and EV display is essential!

It would be great if you could also add an option to display aperture values in 1/3-stop increments.

Many large format lenses can only be adjusted in 1/3-stop increments, so this would make the app much more practical for large-format photographers.

It would also be very helpful if the app could display EV (Exposure Value) as well.
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Response from developer

Thanks for the suggestion! EV display is already on my feature list, and I’ll also consider adding 1/3-stop aperture increments for large format photographers. I appreciate the feedback.

Brilliant software

Spot metering is such a great idea, but then combining it with the zone system is absolutely brilliant. You still have to learn about the zone system and what it does, but this little piece of software makes it really easy to see how much contrast is in your scene and what you might need to do in development. I also really appreciate it’s a buy once situation, instead of another damn subscription. Also that there’s zero privacy infringement. Well done!
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Response from developer

Hi! Thank you very much for your review, very appreciated. I’m happy you found it useful: this is a first small step for a more thoughtful and methodical approach to photography.

Perfect!

This app is a perfect addition for anyone who wants to improve their photos.

Response from developer

Thank you! Happy to be useful to improve your images. Spread the word ;)