照度分布実測アプリ

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About this app

LuxMapper is an app that uses your smartphone's camera as an illuminance sensor to easily measure and record indoor brightness. The measurement results are intuitively visualized using a heatmap, making it useful for reviewing and improving lighting plans.

[Main Features]

■ Real-time Illuminance Meter: Analyzes camera exposure information and displays the illuminance (lux) at the current location in real time. You can easily check brightness without a dedicated illuminance meter.

■ Illuminance Distribution Measurement: Measures illuminance at multiple points in a room and records the unevenness of brightness throughout the space. By loading a floor plan image and placing measurement points, you can understand the distribution more accurately.

■ Heatmap Display: Displays measurement data as a color gradient heatmap. Bright and dark areas are immediately visible, allowing you to visually check lighting imbalances and blind spots.

■ Project Management: Measurement results can be saved and managed as projects. Organize measurement data from multiple rooms and locations for easy review.

■ Calibration: Measurement values ​​can be corrected to match the device being used. By adjusting the coefficient and offset, more accurate measurements are possible.

[Recommended for:]
* Those who want to improve the lighting environment at home or in the office
* Building and equipment professionals who conduct lighting plans and equipment inspections
* Those who want to check the actual environment against JIS illuminance standards
* Those who want to easily check for uneven lighting and dark areas

[Notes:]
* This app provides estimated values ​​using camera exposure information and does not guarantee the same accuracy as a dedicated illuminance meter.
* Measurement accuracy varies depending on the device model and camera performance.
* Please use the calibration function for more accurate measurements.
Updated on
Jun 6, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, App activity and 2 others
This app may collect these data types
Location, App activity and 2 others
Data is encrypted in transit
Data can’t be deleted

What’s new

新規リリース
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About the developer
杉浦栄三
eizosugiura@gmail.com
若草町3-32-10 豊田市, 愛知県 471-0061 Japan

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