About this app
Koyash16 - Sunny 16 Calculator A simple, clean calculator for the classic Sunny 16 photography rule. Whether you're shooting film or learning exposure fundamentals, Koyash16 helps you determine camera settings based on lighting conditions. Tap a condition tile to see the recommended aperture or shutter speed. Perfect for understanding light. FEATURES: • Nine lighting conditions from snow to twilight • Switch between aperture and shutter priority • Adjustable stop scales (full, 1/2, and 1/3 stops) • Exposure compensation and ND filter support • Clean, single-screen interface A straightforward tool for photographers who want to understand the relationship between light and camera settings. No complexity, just the essentials.
Latest release
What’s New
- Added App Store review request
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 19, 2026 · 3:17 PM Free
Screenshots
