Light Meter
WBPhoto
4.4 stars444 reviews10,000+$5.99
PhotographyEveryoneVersion 3.9-2026-05-10T09:19ZUpdated 5/10/2026, 11:23:13 AM
Open in StoreThe essential light meter app for film and digital photography. Turn your phone into a precision spot meter trusted by 400,000+ photographers worldwide.
PRECISION EXPOSURE METERING
• Spot meter with tap-to-focus exposure points
• Multi-point spot metering — pin and compare dynamic range
• Zone System metering — assign zones (0–X) to readings
• Exposure preview for compensation and ND offsets
• Incident light meter via device sensor
• Volume button to start/stop metering
• Calibrated against professional Gossen and Sekonic meters
ZONE PLACEMENT CALCULATOR
• Place readings on zones, see target exposure instantly
• Grayscale swatches show how each reading renders
• Dynamic range warnings for high-contrast scenes
• Send directly to Bracket Calculator
YOUR COMPLETE PHOTOGRAPHY TOOLKIT — 12 CALCULATORS
• DOF — Hyperfocal distance, near/far focus limits
• Reciprocity — 40+ film stocks (Portra, Tri-X, HP5, CineStill, and more)
• Bracket Calculator — Exposure bracketing with custom steps
• Pinhole Calculator — Effective f-stop for pinhole cameras
• EV/LV Converter • White Balance • Bellows Factor
• Flash Guide Number • EXIF Reader • Angle of View
• Zone Placement • Sunny 16
GOLDEN HOUR & BLUE HOUR
• Sunrise, sunset, golden hour, and blue hour times
PROFESSIONAL FEATURES
• Custom ISO, shutter, f-stop ranges
• Half-stop and third-stop increments
• Shutter angle mode for cinematographers
• Live histogram • ND filter display
• Foot-candles and Lux • Exposure timer
• Screen lock to keep display awake
SAVE & ORGANIZE
• Log exposures with GPS and notes
• Hardware profiles for your gear
• Export and reference past readings
Film SLR • Medium format • Large format • Pinhole • Digital mirrorless
50+ languages • No internet required for metering
PRECISION EXPOSURE METERING
• Spot meter with tap-to-focus exposure points
• Multi-point spot metering — pin and compare dynamic range
• Zone System metering — assign zones (0–X) to readings
• Exposure preview for compensation and ND offsets
• Incident light meter via device sensor
• Volume button to start/stop metering
• Calibrated against professional Gossen and Sekonic meters
ZONE PLACEMENT CALCULATOR
• Place readings on zones, see target exposure instantly
• Grayscale swatches show how each reading renders
• Dynamic range warnings for high-contrast scenes
• Send directly to Bracket Calculator
YOUR COMPLETE PHOTOGRAPHY TOOLKIT — 12 CALCULATORS
• DOF — Hyperfocal distance, near/far focus limits
• Reciprocity — 40+ film stocks (Portra, Tri-X, HP5, CineStill, and more)
• Bracket Calculator — Exposure bracketing with custom steps
• Pinhole Calculator — Effective f-stop for pinhole cameras
• EV/LV Converter • White Balance • Bellows Factor
• Flash Guide Number • EXIF Reader • Angle of View
• Zone Placement • Sunny 16
GOLDEN HOUR & BLUE HOUR
• Sunrise, sunset, golden hour, and blue hour times
PROFESSIONAL FEATURES
• Custom ISO, shutter, f-stop ranges
• Half-stop and third-stop increments
• Shutter angle mode for cinematographers
• Live histogram • ND filter display
• Foot-candles and Lux • Exposure timer
• Screen lock to keep display awake
SAVE & ORGANIZE
• Log exposures with GPS and notes
• Hardware profiles for your gear
• Export and reference past readings
Film SLR • Medium format • Large format • Pinhole • Digital mirrorless
50+ languages • No internet required for metering
Developer email
dev@lightmeter.dev
Developer website
https://lightmeter.devReleased
Jan 6, 2017
Current version
3.9-2026-05-10T09:19Z
Android version
8.0
Reviews & Ratings
4.4
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😊 Highly rated by users
444 reviews