--- title: "Koyash16 - Sunny 16 calculator - Reviews, Revenue and Downloads in United States | Apple App Store" description: "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 came" --- # Koyash16 - Sunny 16 calculator — United States > Handy film photographer's tool ![Koyash16 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/a8/b8/2b/a8b82b72-a9ae-0297-4681-98efc5bb05ff/AppIcon-0-0-1x_U007ephone-0-1-sRGB-85-220.png/434x0w.png) **Developer:** [Igor Savelev](https://apptail.io/developer/igor-savelev-kwId) **Category:** Photo Video **Rating:** 5.0/5 (3 ratings) **Price:** Free **Bundle ID:** com.leonspok.ios.Koyash16 **Store:** Apple App Store **Country:** United States **Version:** 2026.2 (released 2026-03-03) **Original Release:** 2025-07-21 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6748782369) **AppTail Page:** [https://apptail.io/app/koyash16-sunny-16-calculator-XIow/united-states](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/united-states) ## Koyash16 Description 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. ## Koyash16 Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e6/9a/a4/e69aa483-55eb-4ae0-e81e-6a32c220696f/Simulator_Screenshot_-_iPhone_16_Pro_Max_-_2025-07-19_at_00.19.57.png/1320x2868.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e6/4e/0d/e64e0d1d-31f1-e354-1dc4-04faaa6e3275/Simulator_Screenshot_-_iPhone_16_Pro_Max_-_2025-07-19_at_00.20.15.png/1320x2868.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/7d/b3/7a/7db37a14-d923-bb9a-0037-3c181fef280c/Simulator_Screenshot_-_iPhone_16_Pro_Max_-_2025-07-19_at_00.20.33.png/1320x2868.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/01/9f/be/019fbedc-4033-3b5b-1aa1-42b49d207413/Simulator_Screenshot_-_iPhone_16_Pro_Max_-_2025-07-19_at_00.20.47.png/1320x2868.png) ## Koyash16 Rating Breakdown in United States - 5 stars: 3 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## Koyash16 Reviews in United States ### ***** "Perfect app" Dead simple and complete. Makes quick work of exposure especially with old film cameras. Highly recommend! -- Geof3, 2026-07-09 ### ***** "incredible app, underrated!!" this app is incredibly useful and i’m eternally grateful to the developer for making it ad free!! clean, easy ui and no fluff. would highly recommend for anyone shooting film ❤️ -- daphantom2329, 2026-02-07 [View all Koyash16 reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews) ## Koyash16 In-App Purchases | Item | Price | |------|-------| | Generous tip | $2.99 | | Exceptional tip | $29.99 | | Extravagant tip | $9.99 | | Modest tip | $0.99 | ## Apps Similar to Koyash16 - [景深计算器 - 超焦距摄影](https://apptail.io/app/app-vvic/united-states) - [Vica Vintage Camera Simulator](https://apptail.io/app/vica-vintage-camera-simulator-gWud/united-states) - [Light Meter by WBPhoto](https://apptail.io/app/light-meter-by-wbphoto-HDbe/united-states) - [Exposure Calculator](https://apptail.io/app/exposure-calculator-lLhj/united-states) - [Wait Cam - Develop your photos](https://apptail.io/app/wait-cam-develop-your-photos-WnUq/united-states) - [Frames: Film Notes](https://apptail.io/app/frames-film-notes-lLjv/united-states) - [Bordo: White Photo Borders](https://apptail.io/app/bordo-white-photo-borders-yLTx/united-states) - [攝影測光錶・曝光計算器](https://apptail.io/app/app-RPmz/united-states) - [Photography Tools - Aperture](https://apptail.io/app/photography-tools-aperture-tdbA/united-states) - [Better Camera: No AI](https://apptail.io/app/better-camera-no-ai-FKcA/united-states) ## Koyash16 Available In - [United States](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/united-states) - [Austria](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/austria) - [Brunei](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/brunei) - [Brazil](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/brazil) - [Belarus](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/belarus) - [Cyprus](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/cyprus) - [Germany](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/germany) - [Algeria](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/algeria) - [Estonia](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/estonia) - [Ghana](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/ghana) - [Hong Kong SAR China](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/hong-kong) - [Croatia](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/croatia) - [United Arab Emirates](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/united-arab-emirates) - [Iceland](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/iceland) - [Jordan](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/jordan) - [Sri Lanka](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/sri-lanka) - [Latvia](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/latvia) - [Madagascar](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/madagascar) - [Nigeria](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/nigeria) - [Netherlands](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/netherlands) - [Poland](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/poland) - [Qatar](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/qatar) - [Slovenia](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/slovenia) - [Ireland](https://apptail.io/app/koyash16-sunny-16-calculator-XIow/ireland) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. 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