Bulb Brightness Meter

Smart Light Meter & Lux Comparison — Precision Illuminance Tool for Every Room Measure ambient light and light bulb brightness in real-time with your phone’s built-in ambient light sensor. Designed for homeowners, photographers, interior designers, and office managers who need accurate, reliable lux readings and bulb comparisons. 💡 Key Features: • Real-Time Lux Measurement: Instant and continuous ambient illumination reading with a fluid, auto-scaling radial gauge. • 15-Point Anti-Flicker Filter: Advanced Moving Average algorithm effectively filters high-frequency flicker from LED and fluorescent fixtures for stable, dependable readouts. • 5-Second Precision Average Test: Features a 3-second preparation countdown followed by 5 seconds of continuous sampling to determine exact average, minimum, and maximum lux levels. • Dual Bulb Comparison (A vs B): Easily compare any two recorded fixtures. The app automatically calculates brightness differences in both lux units and percentages, accompanied by visual comparative bars and targeted use-case recommendations. • International Lighting Standards: Immediate visual categorization indicating whether the light level is ideal for relaxing, reading/office tasks, or precision work, based on recommended IES/CIE lighting guidelines. • Local History & Offline Database: Save measurements with custom labels, fixture types, and room locations. All data is securely stored on your device and accessible offline anytime. • Multilingual Support: Full support for both English and Thai interfaces. Perfect for: - Checking study desk and work space illumination to prevent eye fatigue. - Comparing energy-efficient LED bulbs before and after replacement. - Setting up optimal lighting environments for living rooms, kitchens, bedrooms, and workshops.

4.0