Light Meter & Logbook

Vadim Turko

In-app purchases

About this app

Turn your phone into a professional light meter and photo logbook — built for film, digital, medium-format, and pinhole photography.

**ACCURATE EXPOSURES**

• Reflected metering using your phone’s camera
• Incident metering using the built-in light sensor
• EV calibration for consistent, precise results
• Fractional stops (½, ⅓) for fine control

**ADVANCED TOOLS**

• ISO from 3 to 25,600 — full range for any situation
• ND filter support and long-exposure timer with reciprocity correction
• Spot metering with live histogram
• 35 mm equivalent and medium-format focal length display
• Color filter preview for accurate B&W film visualization
• Pinhole camera support with custom f-numbers
• Built-in library of 20+ films; add your own and use push/pull
• Equipment profiles for cameras, lenses, and pinhole — including medium format

**FAST & FLEXIBLE**

• One-tap exposure calculation
• Customizable metering layout
• Dark mode and haptic feedback

**PHOTO LOGBOOK**

• Record exposure settings, location, and notes for every shot
• Keep all shooting data organized and easy to find

**PERSONALIZED INTERFACE**

• Light, Dark, or System theme
• Material You dynamic colors
• Custom primary color

Download Light Meter & Logbook for accurate exposures and a complete shooting record — all in one app.

Ratings and reviews

Good app but would be perfect if the live frame is bigger, if more film profiles such as Fuji or lomography film stock. Too bad it's only live in color and B&W but can't mimic the film effect & color live on screen before shooting too. The most disappointing thing is it can't save the picture from the logbook to the phone. Overall it is Good, just not as good as it should be.

Clean and useful free features, but I can't recommend the paid version enough. Just the light meter features are great but having a digital photo log of every film photo is amazing. Camera profiles, film selection, clean design and good performance, this app is THE companion to film photography. I don't know how or if this would work but it would be super cool if it should copy the EXIF data into a scanned film photo.

it used to work very good. But since past few months, whenever I open the app, it just freezes at the start, it doesn't get past the logo. So I can't access the app, not can I contact the developer as the app doesn't open.

What’s new

- Added fullscreen camera preview (double-tap to open)
- Added grid overlay in camera preview
- Increased camera preview quality
- Adjusted metering layout for small screens
- Reorganized settings for better flow
- [Pro] Optimized histogram performance
- [Pro] Added 6×7 film format
- [Pro] Fixed logbook photos disappearing after some time