# LUX Meter vs Lux Meter

The clearest difference is in-app purchases: LUX Meter at none against Lux Meter's 1. LUX Meter also leads on ads (none vs shown) and update cadence (every 3 days vs weekly). Lux Meter's advantage is rating (4.5 vs 4.2). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Lux Meter sells 1 one-off in-app purchase. LUX Meter asks for nothing beyond the download.

Lux Meter holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 10 and 6 respectively.

LUX Meter ships an update every 3 days, Lux Meter weekly. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | LUX Meter | Lux Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (10 ratings)](https://appshunter.io/ios/app/lux-meter-light-meter/id6783321327/reviews) | **[4.5 (6 ratings)](https://appshunter.io/ios/app/lux-meter-light-meter/id6790800796/reviews)** |
| Number of ratings | **10** | 6 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 9 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Yannick Binay](https://appshunter.io/developer/6783321329) | [Alper Sumer Guc](https://appshunter.io/developer/1896672915) |

## What reviewers say

### 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


### Lux Meter

[App page](https://appshunter.io/ios/app/lux-meter-light-meter/id6790800796)

This tool transforms your iPhone into a professional light meter, measuring illuminance in lux and foot-candles in real-time. It offers exposure calculations, color temperature estimates, and various presets for different use cases, all while working offline and without ads.

**Highlights:** Real-time lux and foot-candle readout, Exposure Value (EV) calculation, Color temperature (CCT) estimate, Spot or average metering, Use-case presets, CSV export of readings, 100% offline functionality

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lux Meter Premium | $2.99 | one-time |


## Frequently asked questions

### Is LUX Meter free?

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

### Is Lux Meter free?

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

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

Lux Meter is rated higher. LUX Meter averages 4.2 out of 5 from 10 ratings, while Lux Meter averages 4.5 from 6 ratings.

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

Lux Meter shows ads; LUX Meter does not.

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

LUX Meter ships an update every 3 days, and Lux Meter weekly. Most recently, LUX Meter was updated on October 28, 2026 and Lux Meter on October 29, 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.*