# Light Meter・Lux Meter vs LUX Meter

The clearest difference is rating: Light Meter・Lux Meter at 5.0 against LUX Meter's 4.2. Light Meter・Lux Meter also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). LUX Meter's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price and ratings volume there is nothing between them.

Both are free to download. Light Meter・Lux Meter sells 2 in-app purchases, starting at $7.99 per 7 days. LUX Meter asks for nothing beyond the download.

Light Meter・Lux Meter holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 4 and 10 respectively.

Light Meter・Lux Meter ships an update monthly, LUX Meter every 3 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Light Meter・Lux Meter | LUX Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/light-meterlux-meter/id6759604310/reviews)** | [4.2 (10 ratings)](https://appshunter.io/ios/app/lux-meter-light-meter/id6783321327/reviews) |
| Number of ratings | 4 | **10** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 113 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ZeroPlay Ltd.](https://appshunter.io/developer/1500119722) | [Yannick Binay](https://appshunter.io/developer/6783321329) |

## What reviewers say

### Light Meter・Lux Meter

[App page](https://appshunter.io/ios/app/light-meterlux-meter/id6759604310)

This utility app transforms your smartphone into a professional light measurement tool, offering precise real-time readings in lux, foot-candle, and EV. It helps users meet lighting standards for various environments and optimize conditions for plant growth, with features for tracking changes over time.

**Highlights:** Real-time lux, foot-candle, and EV readings, Visual brightness indicator, Check lighting standards for spaces, Calculate DLI and PPFD for plants, Continuous recording and trend charts, Save and compare measurements

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Monthly | $19.99 | per month |


### LUX Meter

[App page](https://appshunter.io/ios/app/lux-meter-light-meter/id6783321327)

This app measures ambient light levels in lux or foot-candles using your iPhone camera. It provides instant feedback on whether a space is too dim, comfortable, or bright enough for various tasks and offers calibration options.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Light Meter・Lux Meter free?

Light Meter・Lux Meter is free to download, with in-app purchases available.

### Is LUX Meter free?

LUX Meter is free to download, with no in-app purchases.

### Which has better reviews, Light Meter・Lux Meter or LUX Meter?

Light Meter・Lux Meter is rated higher. Light Meter・Lux Meter averages 5.0 out of 5 from 4 ratings, while LUX Meter averages 4.2 from 10 ratings.

### Do Light Meter・Lux Meter or LUX Meter have ads?

Light Meter・Lux Meter shows ads; LUX Meter does not.

### Which is updated more often, Light Meter・Lux Meter or LUX Meter?

Light Meter・Lux Meter ships an update monthly, and LUX Meter every 3 days. Most recently, Light Meter・Lux Meter was updated on October 28, 2026 and LUX Meter on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*