# Light Meter LuMe vs Lume

The clearest difference is in-app purchases: Lume at none against Light Meter LuMe's 2. Lume also leads on update cadence (every 2 days vs every 5 days). Light Meter LuMe's advantage is iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

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

Light Meter LuMe ships an update every 5 days, Lume every 2 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Light Meter LuMe | Lume |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (19 ratings)](https://appshunter.io/ios/app/light-meter-lume/id6772063294/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 3 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Contrast Studio](https://appshunter.io/developer/6772063296) | [Milo Zoppini](https://appshunter.io/developer/1493178049) |

## What reviewers say

### Light Meter LuMe

[App page](https://appshunter.io/ios/app/light-meter-lume/id6772063294)

This app acts as a professional light meter and exposure calculator for film photographers. It offers various metering modes, reciprocity correction for different film stocks, and depth of field calculations. It aims to replace multiple handheld tools with a single, convenient app.

**Highlights:** Multiple metering modes (Matrix, Center-weighted, Spot, Zone System), Multi-point spot metering with contrast evaluation, Reciprocity correction for various film stocks, Depth of field and hyperfocal distance calculator, Flash guide number calculator, Live exposure tools including histogram and clipping warnings

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LuMe Pro Lifetime | $6.99 | one-time |


### Lume

[App page](https://appshunter.io/ios/app/lume-light-meter/id6803772347)

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

**In-app purchases:** none


## Frequently asked questions

### Is Light Meter LuMe free?

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

### Is Lume free?

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

### Do Light Meter LuMe or Lume have ads?

Neither Light Meter LuMe nor Lume shows ads.

### Which is updated more often, Light Meter LuMe or Lume?

Light Meter LuMe ships an update every 5 days, and Lume every 2 days. Most recently, Light Meter LuMe was updated on October 26, 2026 and Lume 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.*