# LuxTest vs Lux Meter

The clearest difference is price: Lux Meter at Free against LuxTest's $0.99. LuxTest's advantage is ads (none vs shown) and iOS requirement (15.1 vs 17.0). On update cadence, in-app purchases and device support there is nothing between them.

Lux Meter is free to download; LuxTest costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | LuxTest | Lux Meter |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.3 (4 ratings)](https://appshunter.io/ios/app/lux-meter-light-meter/id6790800796/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [晓燕 王](https://appshunter.io/developer/1891891243) | [Alper Sumer Guc](https://appshunter.io/developer/1896672915) |

## What reviewers say

### LuxTest

[App page](https://appshunter.io/ios/app/luxtest-study-light-meter/id6761891597)

**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, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LuxTest free?

LuxTest costs $0.99, with no in-app purchases.

### Is Lux Meter free?

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

### Do LuxTest or Lux Meter have ads?

Lux Meter shows ads; LuxTest does not.

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

LuxTest ships an update monthly, and Lux Meter monthly. Most recently, LuxTest was updated on October 2, 2026 and Lux Meter on October 8, 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.*