# Lux Light Meter: Illuminance

> Exposure Meter & ND Calculator

Canonical page: [https://chrome-stats.com/d/id6790679680](https://chrome-stats.com/d/id6790679680)

## Overview

- **ID:** `id6790679680`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** 灿耿 陈
- **Category:** Utilities
- **Rating:** 5.00 / 5 (5 ratings)
- **Version:** 1.3
- **Last updated:** 2026-08-25
- **First published:** 2026-07-15
- **Size:** 3.72 MB
- **Data as of:** 2026-09-20
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/lux-light-meter-illuminance/id6790679680)
- **Website:** [https://xzonesoft.com](https://xzonesoft.com/)
- **Privacy policy:** [https://lightmeter.xzonesoft.com/privacy.html](https://lightmeter.xzonesoft.com/privacy.html)

## Description

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

## Rankings

- #435,550 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6790679680)