# Light Meter vs Luminometer

The clearest difference is review sentiment: Light Meter at 50% against Luminometer's 0%. Light Meter also leads on rating (4.2 vs 3.5) and in-app purchases (none vs 2). Luminometer's advantage is price (Free vs $2.99) and update cadence (every 2 months vs every 48 months). On device support there is nothing between them.

Luminometer is free to download; Light Meter costs $2.99 up front. Luminometer sells 2 in-app purchases, starting at $2.99 per 7 days. Light Meter asks for nothing beyond the download.

Light Meter holds the better App Store score, 4.2 against 3.5. Both are backed by a comparable volume of ratings — 5 and 16 respectively. Written reviews point the same way: 50% of Light Meter's written reviews are positive against 0% of Luminometer's.

Light Meter ships an update every 48 months, Luminometer every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Light Meter | Luminometer |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/light-meter-brightness-calc/id1340670397/reviews)** | [3.5 (16 ratings)](https://appshunter.io/ios/app/luminometer-lux-light-meter/id6446325225/reviews) |
| Number of ratings | 5 | **16** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 48 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 14 MB |
| Requires iOS | **13** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [27GROUP](https://appshunter.io/developer/1589401961) |

## What reviewers say

### Light Meter

[App page](https://appshunter.io/ios/app/light-meter-brightness-calc/id1340670397)

This application acts as a portable light meter, allowing users to measure light intensity in lux and foot candles. It offers real-time readings, a log library for saving measurements, and the ability to calibrate with professional devices for enhanced accuracy. The app supports both front and rear cameras and saves scene images.

**Highlights:** Real-time light intensity measurement, Lux and foot candle readings, Saveable log library, Calibration with professional illuminometer, Front and rear camera support, Scene image saving

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

**In-app purchases:** none


### Luminometer

[App page](https://appshunter.io/ios/app/luminometer-lux-light-meter/id6446325225)

Transform your device into a professional light meter to measure luminosity in lux and foot-candles. Achieve optimal illumination for any space, from greenhouses to workspaces, ensuring comfort and preventing glare. Calibrated with reference equipment for precise and reliable readings.

**Highlights:** Measures lux and foot-candle units, Internal Exposure Compensation for accuracy, Camera view for measured area, Calibrated with reference equipment, Versatile for various lighting conditions, Helps set optimal illumination levels

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Light Meter free?

Light Meter costs $2.99, with no in-app purchases.

### Is Luminometer free?

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

### Which has better reviews, Light Meter or Luminometer?

Light Meter is rated higher. Light Meter averages 4.2 out of 5 from 5 ratings, while Luminometer averages 3.5 from 16 ratings.

### Do Light Meter or Luminometer have ads?

Luminometer shows ads; Light Meter does not.

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

Light Meter ships an update every 48 months, and Luminometer every 2 months. Most recently, Light Meter was updated on November 2, 2026 and Luminometer on November 3, 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.*