10/10
it’s awesomesauce!!!!
$2.99 $1.99
Lowest price: Free a year ago (-100%)
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About
This tool simplifies Ansel Adams' exposure and development method for photographers. It helps measure shadows and highlights, calculate aperture and development times, and preview results with film stock presets.
✓Measure shadows and highlights
✓Aperture and development calculations
✓Preview results with film presets
✓ISO and EV calculations
✓Simplified Zone System application
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What's New in Zone System
2.5.3
February 5, 2026
Performance improvements
User reviews
Developer apps
FAQ
What is the Zone System app?
Zone System is a practical tool designed to help photographers apply Ansel Adams' renowned exposure and development method. It provides calculations for aperture, shutter speed, ISO, and EV, making the process more efficient.
How does Zone System help with exposure?
The app allows you to measure shadows and highlights in your scene to accurately set your exposure. It then provides the necessary calculations for aperture and development (N, N+, N–) to achieve your desired results.
Can I preview my photos with Zone System?
Yes, Zone System offers a preview feature that allows you to see potential results using various film stock presets. This helps you visualize the outcome before you even take the shot.
What devices is Zone System compatible with?
Zone System is available on iPhone, iPad, Apple Watch, and Apple Vision Pro, offering flexibility for photographers on the go or in the studio.
How much does Zone System cost?
Zone System is a paid application, available for a one-time purchase of $1.99. There are no in-app purchases or subscriptions required.
Is Zone System suitable for beginners?
While the Zone System itself can be complex, this app is designed to make it simpler, faster, and more reliable. Its clear calculations and preview features can assist both experienced photographers and those new to the method.
How often is Zone System updated?
The latest version, 2.5.3, was released on February 5, 2026. The app is actively maintained by developer Davin Nguyen.
What is the age rating for Zone System?
Zone System has an age rating of 4+, indicating it is suitable for users of all ages. The app's content is not considered mature or inappropriate.
