Lux Light Meter & Logger

Zeppelin Games

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About this app

Measure the light around you with Lux Light Meter & Logger, an easy-to-use light meter for measuring ambient brightness, tracking lighting conditions, and comparing readings over time.

Whether you're checking office lighting, finding a brighter spot for indoor plants, evaluating a photography setup, or improving your reading area, this lux meter helps you understand the light in your environment.

LIVE LIGHT MEASUREMENT

• Measure ambient light intensity in lux (lx) using your phone's built-in light sensor.
• Switch between lux and foot-candles (fc).
• Monitor live brightness changes with a visual graph.
• Track minimum, average, and maximum light levels.
• Record measurement sessions or take quick averaged readings.

LIGHT MEASUREMENT HISTORY

Keep your lighting measurements organized with a dedicated logbook.

• Save individual light readings and measurement sessions.
• Organize records by category and location.
• Search previous measurements by name or place.
• Filter and sort results by date or brightness.
• Review recorded light levels whenever needed.
• Export filtered saved readings to PDF.

COMPARE LIGHT LEVELS

Understand lighting differences between two places or conditions.

• Select two saved measurements for side-by-side comparison.
• View the difference in lux and foot-candles.
• See the percentage change in brightness.
• Compare rooms, workspaces, plant locations, and lighting setups.

LIGHTING GUIDANCE AND TARGETS

Go beyond a simple lux reading with practical lighting references.

• Explore general lighting guidance for rooms, offices, plants, and photography.
• Create personal light-level targets.
• Check whether your surroundings match your preferred lighting range.
• Use reference-meter calibration checks for more consistent comparisons.

USEFUL FOR EVERYDAY LIGHT CHECKS

Home & Office: Check lighting around desks, workspaces, and reading areas.

Indoor Plants: Compare light intensity in different locations to help choose plant placement.

Photography: Evaluate ambient light around your shooting environment.

Lighting Projects: Save measurements and compare changes after adjusting lamps or lighting conditions.

WHY USE LUX LIGHT METER & LOGGER?

Instead of simply displaying brightness, the app helps you measure, record, organize, and compare lighting conditions in one place.

IMPORTANT INFORMATION

Measurements are estimates obtained from your device's ambient-light sensor. Sensor availability, calibration, and accuracy vary between devices. Readings are intended for general reference and are not a substitute for a certified professional light meter.

Start measuring ambient light and keep your lighting records organized with Lux Light Meter & Logger.