Zone System

Zone System
Developer: Davin Nguyen
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200 installs
4.00 ratings
2.00 monthly active users
Revenue not available

Zone System Summary

Zone System is a mobile iOS app in Photo And Video by Davin Nguyen. Released in Feb 2025 (1 year ago). It has 4.00 ratings with a 4.50★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 2.00 monthly active users . Store last updated Aug 19, 2026

Zone System SDKs Summary

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4.5★

Ratings: 4.00

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Screenshots

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App Description

Zone System is a practical tool for applying Ansel Adams’ exposure and development method.

• Measure shadows and highlights to set exposure
• Get aperture and development (N, N+, N–) calculations
• Preview results with film stock presets
• Get calculations for aperture, shutter speed, ISO, and EV

This app makes the Zone System simpler, faster, and more reliable.