CompareOpen in App Store
★★★★★
Average rating on the App Store. Apple doesn't publish how many ratings each star has.
This app isn't in any of our charts yet.
What's new - 7 more languages LUX now speaks Chinese (Simplified and Traditional), Korean, German, French, Spanish, and Portuguese. - Choose the app language Switch the app's language in Settings, independent of your device language. - Other display improvements and bug fixes
LUX is a light meter app that measures illuminance (lux) wherever you are. Open the app and instantly see how bright your space is. When to use it - Check lighting in your living room, office, or study area - Set up photography or video shoots - Compare brightness between rooms or times of day - Verify light levels for plants or aquariums - Confirm any task has the right brightness Features - Instant measurement on launch - Hold the value or freeze the screen - Color temperature (CCT / Kelvin) measurement - Auto-recorded Min / Avg / Max lux during a session - Foot-candle (fc) unit toggle - Compare with reference levels by scene (some features need Premium) - Measurement history (up to 3 records free; unlimited history, including saved Min / Avg / Max, with Premium) - CSV / PDF export (Premium) - PPFD / DLI calculation for plants (Premium) - Continuous logging with charts (Premium) Measurements are processed on-device. Terms of Use: https://kojitorishima.org/en/products/lux/terms/ Privacy Policy: https://kojitorishima.org/en/products/lux/privacy/