Measure ambient light levels with your iPhone. Get real-time lux and foot-candle readings, with specialized modes for photography and plant care. Track light history and calibrate for accuracy.
1.3
August 25, 2026
1. Improved VoiceOver: the measurement mode control is now adjustable—swipe up or down to switch. 2. Improved metering experience. 3. Fixed known issues. If you have any questions, please contact us: support@xzonesoft.com If you enjoy this update, we’d love your rating and feedback. Your support helps us keep refining the app.
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感谢您的建议跟肯定，我们会持续优化❤️
V1.2版本已经支持艺术品拍摄场景测光啦，可以更新体验，有任何新的建议也欢迎随时反馈给我们，我们会在后续版本进行优化。support@xzonesoft.com
Lux Light Meter helps you measure ambient light levels in lux or foot-candles. It offers specialized modes for photography to guide exposure settings and for plant care to estimate light needs.
Yes, the core ambient light metering functionality of Lux Light Meter works offline. This allows you to take readings without an internet connection.
Yes, Lux Light Meter offers optional calibration to fine-tune readings against a trusted meter. Pro users can save separate calibration factors for both front and rear cameras.
Lux Light Meter offers weekly and yearly subscriptions, as well as a lifetime purchase option. Payments are charged to your Apple ID, and subscriptions renew automatically unless managed in account settings.
Lux Light Meter is privacy-friendly, storing your measurements directly on your device. You can switch between lux and foot-candle units as needed.
Lux Light Meter is designed for iPhone and iPad devices. It requires camera access to function.
The latest version of Lux Light Meter is 1.1, last updated on July 24, 2026. Updates typically include improvements and new features based on user feedback.
Lux Light Meter has an age rating of 4+, making it suitable for a wide range of users. Its utility features are designed for practical application.
