Lux Light Meter: Illuminance

灿耿 陈 · Utilities

5.0 4 ratings Free

Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Aug 26, 2026
Rating ★ 0 → 5
Aug 26, 2026
New version 1.1 → 1.3

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.

Price & rating history · US

Reconstructed from the listing changes AppTracker has observed in this storefront, so each line starts at the first change on record.

Average rating history over the observed period. 0 2 4 Aug 26 18:48 Aug 27 06:34 Aug 27 18:21 Aug 28 06:08 Aug 28 17:55

Average rating

Ratings breakdown · US

The star breakdown behind this app's rating in this storefront.

5★ 100% 4
4★ 0% 0
3★ 0% 0
2★ 0% 0
1★ 0% 0

Screenshots

About

Lux Light Meter: Illuminance A practical lux and illuminance meter for iPhone. Measure ambient light in seconds, check if a room is bright enough for study, work, or home use, and get helpful exposure and plant-lighting guidance when you need it. Core metering works offline. Key Features: Ambient light metering - Live lux / fc readings with scene targets that tell you if the light is too dim, about right, or too bright — plus simple tips to adjust Photography mode (Pro) - Aperture- or shutter-priority suggestions with ISO and exposure compensation so you can dial in exposure faster Plant mode (Pro) - Estimate PPFD and DLI for common houseplants, with light source and daily photoperiod options Continuous measure & history - Save single readings, track how light changes over time, and review min, average, and max values Optional calibration - Fine-tune against a trusted meter; Pro saves separate factors for the front and rear cameras Units & privacy-friendly storage - Switch between lux and fc; your measurements stay on your device How to Use: Open the app, allow camera access, and point your iPhone at the area you want to measure. Switch between Environment, Photography, and Plant modes, then save a reading or run a continuous measurement when you need a longer sample. Subscription Options: * Weekly and yearly subscriptions, plus a lifetime purchase * Payment will be charged to your Apple ID account * Subscriptions renew automatically within 24 hours before the current period ends * Manage or cancel anytime in your Account Settings Clearer readings. Better light decisions. Terms of Use: https://lightmeter.xzonesoft.com/terms.html Privacy Policy: https://lightmeter.xzonesoft.com/privacy.html Contact Us: support@xzonesoft.com

What's new · 1.3

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.

Details

Developer灿耿 陈
ReleasedJul 2026
UpdatedJul 2026
Version1.3
Size3.6 MB
RequiresiOS 17 or later
Age rating4+
LanguagesArabic, Chinese, English, French, German, Japanese, Korean, Portuguese, Russian, Spanish
PriceFree
Categories Utilities
Bundle IDcom.xzonesoft.Photometer