Lux Light Meter · Photometer
Lux · EV · Plant Light Check
About
Measure light intensity in various units like lux, foot-candles, and EV using your iPhone's camera. It offers features for plant light assessment, historical data tracking, and detailed measurement insights. Ideal for gardeners, photographers, and lighting professionals.
What's New in Lux Light Meter · Photometer
1.0.35
October 30, 2026
• New Plant check: pick what light your plant likes and hold the phone still for 5 seconds. You see whether this spot is darker than, within or brighter than the typical range right now. Name the spot and save it to History; earlier checks of the same spot are listed. • While the meter is running, an empty History now offers "Save · 420 lx" to keep the current reading. The meter keeps running. • A tip under the meter shows where the reading comes from: the back camera, so point it toward the light. Export CSV now includes notes and plant results.
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FAQ
Does Lux Light Meter have ads?
Yes, Lux Light Meter contains advertisements. As a free application, it is supported by ads to provide its features to users.
How accurate is Lux Light Meter?
Readings are estimated from the iPhone's camera exposure and are considered reflected-light measurements. For absolute numbers, users can set a calibration factor against a trusted reference meter. The app notes that very dim scenes are the least reliable.
What devices is Lux Light Meter available on?
Lux Light Meter is currently available on iPhone. It is designed to work with the camera capabilities of these devices.
How often is Lux Light Meter updated?
The latest version of Lux Light Meter is 1.0.35, which was last updated on October 30, 2026. This indicates a recent update, suggesting ongoing development and support.
What is the age rating for Lux Light Meter?
Lux Light Meter has an age rating of 17+. This rating is typically assigned based on content that may not be suitable for younger audiences, though specific reasons are not detailed in the provided data.
Can I export my light readings from Lux Light Meter?
Yes, you can export all your saved readings as a CSV file. Additionally, you can share a single reading as an image directly from the app.
What are the different measuring modes in Lux Light Meter?
Lux Light Meter offers four distinct measuring modes: Auto, which provides a live radial gauge; Outdoor, for a wide range up to 100,000 lx; Indoor, for levels from 10 to 10,000 lx; and Photo, which measures EV at ISO 100 with suggested shutter speeds.
What is the price of Lux Light Meter?
Lux Light Meter is available for free. While the app itself is free to download and use, it does contain advertisements.
