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.