Light Meter & Logbook

Turn your phone into a professional light meter and photo logbook — ideal for film, digital, and pinhole photography.

ACCURATE EXPOSURES

• Reflected metering with your camera • EV calibration for precision • Fractional stops (1/2, 1/3) for fine-tuning

ADVANCED TOOLS

• ISO range from 3 to 25,600 • ND filter and long-exposure timer • Spot metering with histogram • 35mm equivalent focal length display • Pinhole camera support with custom f-numbers • Built-in library of 20+ films with option to add your own • Push/pull processing support • Reciprocity correction for long exposures

FAST & FLEXIBLE

• One-tap exposure calculation • Customizable metering screen layout • Equipment profiles for cameras, lenses, and pinhole setups • Dark mode and haptic feedback

COMPLETE PHOTO LOGBOOK

• Record exposure settings, location, and notes • Keep all shooting data organized and accessible

PERSONALIZED INTERFACE

• Light, Dark, or System themes • Custom primary color

Download Light Meter & Logbook to achieve accurate exposures and keep every shot documented — all in one powerful app.