# Lux Light Meter Pro vs Hoyi

The clearest difference is in-app purchases: Hoyi at none against Lux Light Meter Pro's 4. Hoyi also leads on ads (none vs shown) and iOS requirement (13.0 vs 15). On price and device support 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. Hoyi asks for nothing beyond the download.

## The numbers

| Metric | Lux Light Meter Pro | Hoyi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (5.1K ratings)](https://appshunter.io/ios/app/lux-light-meter-pro/id1292598866/reviews)** | — |
| Number of ratings | **5.1K** | — |
| Positive reviews | 21.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 62 MB |
| Requires iOS | 15 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Marina Polyanskaya](https://appshunter.io/developer/1519482916) | [上海国通视光起旭网络科技有限公司](https://appshunter.io/developer/1893589421) |

## 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


### Hoyi

[App page](https://appshunter.io/ios/app/hoyi/id6762262849)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lux Light Meter Pro free?

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

### Is Hoyi free?

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

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

Lux Light Meter Pro shows ads; Hoyi does not.

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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.*