Koyash16 - Sunny 16 calculator
Handy film photographer's tool
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
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.
- Added App Store review request
The developer, Igor Savelev, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Igor Savelev
- Size
- 3.5 MB
- Category
- Photo & Video
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Generous tip $2.99
- Exceptional tip $29.99
- Extravagant tip $9.99
- Modest tip $0.99
- Copyright
- © 2026 Leonspok (Igor Savelev)