# Lux Light Meter Pro vs Luminometer

The clearest difference is rating: Lux Light Meter Pro at 3.9 against Luminometer's 3.5. Lux Light Meter Pro also leads on ratings volume (5.2K vs 16) and review sentiment (21% vs 0%). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Lux Light Meter Pro sells 3 in-app purchases, starting at $1.99 per month and Luminometer sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Lux Light Meter Pro holds the better App Store score, 3.9 against 3.5. That said, the two scores are not equally well evidenced: Lux Light Meter Pro has 5.2K ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 21% of Lux Light Meter Pro's written reviews are positive against 0% of Luminometer's.

Lux Light Meter Pro ships an update every 3 months, Luminometer every 2 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Lux Light Meter Pro | Luminometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (5.2K ratings)](https://appshunter.io/ios/app/lux-light-meter-pro/id1292598866/reviews)** | [3.5 (16 ratings)](https://appshunter.io/ios/app/luminometer-lux-light-meter/id6446325225/reviews) |
| Number of ratings | **5.2K** | 16 |
| Positive reviews | **21.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 19 MB | 14 MB |
| Requires iOS | **15** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marina Polyanskaya](https://appshunter.io/developer/1519482916) | [27GROUP](https://appshunter.io/developer/1589401961) |

## What reviewers say

### Lux Light Meter Pro

[App page](https://appshunter.io/ios/app/lux-light-meter-pro/id1292598866)

Measure light intensity in lux and foot candles with this 2-in-1 meter. Optimize photography settings, adjust indoor lighting, or prevent eye strain with professional-quality readings directly from your smartphone.

**Highlights:** Real-time lux and foot candle measurements, Real-time color temperature measurements, Real-time histogram plotting, Customizable settings for shutter speed, ISO, aperture, Front and back camera support, Intuitive and customizable controls

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $1.99 | per month |
| Premium Access | $14.99 | per year |
| Pro Mode | $9.99 | one-time |

**What reviewers like**

- 🚀 Simple and straightforward
- 👍 Useful for measuring light levels
- 🔍 Provides general lux measurements

**What reviewers complain about**

- 🐛 Inaccurate and inconsistent readings
- 🔍 Limited functionality compared to professional light meters
- 💰 Requires subscription for full features
- 🤖 Glitchy and non-responsive at times

**Reported bugs**

- Readings stuck at 0 lux regardless of light conditions
- Frequent crashes and freezes
- Inability to switch between front and rear cameras

**Requested features**

- Ability to save and review past measurements
- More detailed instructions and guidance on proper usage
- Improved accuracy and calibration options


### 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 Lux Light Meter Pro free?

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

### Is Luminometer free?

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

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

Lux Light Meter Pro is rated higher. Lux Light Meter Pro averages 3.9 out of 5 from 5.2K ratings, while Luminometer averages 3.5 from 16 ratings.

### Do Lux Light Meter Pro or Luminometer have ads?

Both Lux Light Meter Pro and Luminometer show ads.

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

Lux Light Meter Pro ships an update every 3 months, and Luminometer every 2 months. Most recently, Lux Light Meter Pro was updated on October 29, 2026 and Luminometer 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.*