# Luxmeter vs Structura

The clearest difference is in-app purchases: Structura at none against Luxmeter's 7. Structura also leads on ads (none vs shown) and device support (3 vs 1). Luxmeter's advantage is update cadence (every 5 days vs every 10 days). On price there is nothing between them.

Both are free to download. Luxmeter sells 7 in-app purchases, starting at $5.99 per 7 days. Structura asks for nothing beyond the download.

Luxmeter ships an update every 5 days, Structura every 10 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Luxmeter | Structura |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (253 ratings)](https://appshunter.io/ios/app/luxmeter-lux-light-meter/id6746211051/reviews)** | — |
| Number of ratings | **253** | — |
| Positive reviews | 7.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 64 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [STOMBERG s.r.o](https://appshunter.io/developer/1703467445) | [Greatcallie International Ltd](https://appshunter.io/developer/1144186123) |

## What reviewers say

### Luxmeter

[App page](https://appshunter.io/ios/app/luxmeter-lux-light-meter/id6746211051)

This app measures light intensity in lux and provides real-time exposure suggestions for photography. It offers customizable settings for shutter speed, aperture, and ISO, with options for both front and back cameras. It's designed for personal use to optimize lighting and capture better photos.

**Highlights:** Light intensity measurement (lux, foot-candles), Real-time color temperature readings, Exposure suggestions, Manual shutter speed, aperture, ISO control, Front and back camera support, Customizable settings

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Luxmeter Pro | $5.99 | per 7 days |
| Luxmeter Pro | $5.99 | per 7 days |
| Luxmeter Pro | $8.99 | per 7 days |
| Luxmeter Pro | $9.99 | per 7 days |
| Luxmeter Pro | $9.99 | per 7 days |
| Luxmeter Pro | $9.99 | per 7 days |
| Luxmeter Pro | $29.99 | per year |


### Structura

[App page](https://appshunter.io/ios/app/structura-structural-design/id6796137162)

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

**In-app purchases:** none


## Frequently asked questions

### Is Luxmeter free?

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

### Is Structura free?

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

### Do Luxmeter or Structura have ads?

Luxmeter shows ads; Structura does not.

### Which is updated more often, Luxmeter or Structura?

Luxmeter ships an update every 5 days, and Structura every 10 days. Most recently, Luxmeter was updated on October 24, 2026 and Structura on October 25, 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.*