# LUX Meter - Light Meter — Illuminance for photo & plants > iPhone camera-based light meter for practical illuminance checks. (iPhone/iPad app by Yannick Binay.) - Source: https://appshunter.io/ios/app/lux-meter-light-meter/id6783321327 (this page in markdown: same URL + `.md`) - Developer: [Yannick Binay](https://appshunter.io/developer/6783321329) - Category: Utilities, Photo & Video - Price: Free - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 3 MB - Languages: American English, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French (France), German (Germany) and 23 more - Released: 2026-06-27 - Data updated: 2026-08-26 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/lux-meter-light-meter/id6783321327/reviews.md ## What is LUX Meter? LUX Meter is a private light meter for quick, practical illuminance checks with your iPhone camera. Measure ambient light in lux or foot-candles, compare rooms and work areas, check desk lighting, find brighter spots for plants, and see whether a space is too dim, comfortable, or bright enough for detailed tasks. Pick a target for your task — reading, office, kitchen, plants and more — and get instant "too dim / good / too bright" feedback as you move the phone. Simple and trustworthy: no account, no ads, no tracking, no photo storage. Features: - Lux and foot-candle readings - Lighting target presets with live in-range feedback - Live brightness scale with plain-language guidance - Hold mode to freeze a measurement - Session min, average and max - Calibration against one trusted lux value - Practical guide with common light levels - Paper-diffuser guidance for incident light - Private on-device camera metering Important: LUX Meter estimates illuminance from camera exposure. Great for quick checks, comparisons, and plant or room-light decisions. For regulated, safety-critical, or professional compliance measurements, use a certified lux meter. ## Key features - Lux and foot-candle readings - Lighting target presets - Live brightness scale - Hold mode for measurements - Session min, average, and max - Calibration against trusted value - Private on-device metering ## Frequently asked questions about LUX Meter ### What is LUX Meter used for? LUX Meter is used to measure ambient light levels in lux or foot-candles using your iPhone's camera. It helps you quickly check if a space is too dim, comfortable, or bright enough for tasks like reading, photography, or plant care. ### Does LUX Meter have ads? No, LUX Meter is ad-free. The app explicitly states it contains no ads, ensuring a distraction-free user experience for light measurement. ### Is LUX Meter accurate for professional measurements? LUX Meter provides estimates from camera exposure, which are great for quick checks and comparisons. For regulated, safety-critical, or professional compliance measurements, it is recommended to use a certified lux meter. ### Can LUX Meter be calibrated? Yes, LUX Meter offers calibration against one trusted lux value. This feature allows you to fine-tune the readings for greater accuracy based on a known light source. ### What devices does LUX Meter support? LUX Meter is currently supported on iPhones. It utilizes the iPhone camera for its light metering functionality. ### How often is LUX Meter updated? LUX Meter was last updated on July 4, 2026, with version 1.1.3. This indicates a recent update, suggesting ongoing development and support for the application. ### Does LUX Meter require an account? No, LUX Meter does not require an account. It is designed for privacy, with no account creation, tracking, or photo storage needed to use its features. ### What are the lighting target presets in LUX Meter? LUX Meter includes lighting target presets for various tasks like reading, office work, kitchen use, and plant care. It provides live in-range feedback as you move your phone, indicating if the current light level meets the selected target. ## Version history (last 5 releases) ### 1.1.4 — 2026-07-12 LUX Meter now speaks 34 languages — the whole app, including the guide and every lighting target. Arabic and Hebrew now lay out correctly right to left, with the light scale running in the right direction. ### 1.1.3 — 2026-07-04 A cleaner main screen that fits every iPhone edge to edge, target presets now show their lux range, and the in-range check (Too dim / Good / Too bright) appears right on the target bar. ### 1.1.2 — 2026-07-03 New: a quick one-time tip explaining the paper-diffuser trick for more accurate readings, plus small refinements. ### 1.1.1 — 2026-07-02 Fixes an issue where the rating request could appear too early. Thanks for the feedback! ### 1.1 — 2026-07-01 Now available in German, Spanish, French, Italian, Portuguese, Japanese, Chinese and Korean. New: lighting target presets (reading, office, kitchen, plants and more) with live "too dim / good / too bright" feedback so you know instantly if a spot has the right light. Plus clearer in-app guidance and small refinements. ## Related topics [blumeter](https://appshunter.io/ios/topics/blumeter) · [light meter free photo](https://appshunter.io/ios/topics/light-meter-free-photo) · [lumen meter](https://appshunter.io/ios/topics/lumen-meter) · [lumen meter light](https://appshunter.io/ios/topics/lumen-meter-light) · [luminosys](https://appshunter.io/ios/topics/luminosys) · [libre light sensor](https://appshunter.io/ios/topics/libre-light-sensor) · [lux light meter pro](https://appshunter.io/ios/topics/lux-light-meter-pro) · [ppfd meter](https://appshunter.io/ios/topics/ppfd-meter) · [jbuds lux](https://appshunter.io/ios/topics/jbuds-lux) · [lux meter pro](https://appshunter.io/ios/topics/lux-meter-pro) · [light meter analog](https://appshunter.io/ios/topics/light-meter-analog) · [lux light meter pro for photo](https://appshunter.io/ios/topics/lux-light-meter-pro-for-photo) · [lower brightness](https://appshunter.io/ios/topics/lower-brightness) · [frequency meter light](https://appshunter.io/ios/topics/frequency-meter-light) · [lux meter pros](https://appshunter.io/ios/topics/lux-meter-pros) · [brightness meter](https://appshunter.io/ios/topics/brightness-meter) · [ambient light meter](https://appshunter.io/ios/topics/ambient-light-meter) · [luminos meter](https://appshunter.io/ios/topics/luminos-meter) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*