# LightMeter Express vs Luminis Light Meter Pro

The clearest difference is price: LightMeter Express at Free against Luminis Light Meter Pro's $5.99. LightMeter Express also leads on update cadence (daily vs every 4 months). Luminis Light Meter Pro's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 17.6). On ads and device support there is nothing between them.

LightMeter Express is free to download; Luminis Light Meter Pro costs $5.99 up front. LightMeter Express sells 1 one-off in-app purchase. Luminis Light Meter Pro asks for nothing beyond the download.

LightMeter Express ships an update daily, Luminis Light Meter Pro every 4 months. The most recent releases landed on July 4, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | LightMeter Express | Luminis Light Meter Pro |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/lightmeter-express/id6748661409/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 23 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Digitaino LLC](https://appshunter.io/developer/1822882839) | [Dejan Boras](https://appshunter.io/developer/1612985659) |

## What reviewers say

### LightMeter Express

[App page](https://appshunter.io/ios/app/lightmeter-express/id6748661409)

This tool transforms your iPhone into a professional light meter for photography. It offers accurate exposure readings with real-time calculations for aperture, shutter speed, and ISO, supporting various camera settings and providing exposure compensation.

**Highlights:** Real-time light metering, Precise exposure calculations, Support for standard camera settings, Exposure value (EV) display, Spot metering (Pro feature), Live histogram (Pro feature)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Light Meter Pro | $2.99 | one-time |


### Luminis Light Meter Pro

[App page](https://appshunter.io/ios/app/luminis-light-meter-pro/id6752771423)

**In-app purchases:** none


## Frequently asked questions

### Is LightMeter Express free?

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

### Is Luminis Light Meter Pro free?

Luminis Light Meter Pro costs $5.99, with no in-app purchases.

### Do LightMeter Express or Luminis Light Meter Pro have ads?

Neither LightMeter Express nor Luminis Light Meter Pro shows ads.

### Which is updated more often, LightMeter Express or Luminis Light Meter Pro?

LightMeter Express ships an update daily, and Luminis Light Meter Pro every 4 months. Most recently, LightMeter Express was updated on July 4, 2026 and Luminis Light Meter Pro on September 23, 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.*