# Light Meter vs Lucent

The clearest difference is price: Light Meter at Free against Lucent's $0.99. Light Meter also leads on iOS requirement (13.0 vs 26.2). Lucent's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

Light Meter is free to download; Lucent costs $0.99 up front. Light Meter sells 1 one-off in-app purchase. Lucent asks for nothing beyond the download.

Light Meter ships an update fortnightly, Lucent every 4 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Light Meter | Lucent |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Size | 35 MB | 3 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [hiroki kawamura](https://appshunter.io/developer/1613885005) | [志杰 张](https://appshunter.io/developer/1819432983) |

## What reviewers say

### Light Meter

[App page](https://appshunter.io/ios/app/light-meter-lux-and-brightness/id6784886093)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $12.49 | one-time |


### Lucent

[App page](https://appshunter.io/ios/app/lucent-reading-light-check/id6800970800)

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

**In-app purchases:** none


## Frequently asked questions

### Is Light Meter free?

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

### Is Lucent free?

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

### Do Light Meter or Lucent have ads?

Light Meter shows ads; Lucent does not.

### Which is updated more often, Light Meter or Lucent?

Light Meter ships an update fortnightly, and Lucent every 4 weeks. Most recently, Light Meter was updated on October 25, 2026 and Lucent on October 24, 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.*