Sunny 16 Calculator
Select your lighting condition, ISO, aperture, and shutter speed. The viewfinder-style meter shows exposure deviation instantly.
20 Lighting Conditions
From bright snow to moonlight. Covers every scenario from EV 16 down to EV -6.
Light Meter
Use your iPhone camera to measure ambient light with real-time EV readings.
Apple Watch
Full calculator on your wrist. Quick access with Digital Crown. Perfect for street photography.
Works Offline
No internet required. Your exposure calculator works anywhere, anytime.
One-Time Purchase
Unlock full access once. No subscriptions. Works on both iPhone and Apple Watch.