# Lutron App vs Light Master

The clearest difference is review sentiment: Lutron App at 47% against Light Master's 0%. Light Master's advantage is monetization model (free vs ad-supported) and iOS requirement (9.0 vs 16.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Lutron App ships an update every 9 days, Light Master every 10 days. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Lutron App | Light Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6.7K ratings)](https://appshunter.io/ios/app/lutron-app/id886753021/reviews)** | — |
| Number of ratings | **6.7K** | — |
| Positive reviews | **46.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 10 days |
| Monetization | Ad-supported | **Free** |
| Size | 669 MB | 32 MB |
| Requires iOS | 16.6 | **9.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lutron Electronics co., Inc.](https://appshunter.io/developer/303875058) | [Opple Lighting Co., Ltd.](https://appshunter.io/developer/955299786) |

## What reviewers say

### Lutron App

[App page](https://appshunter.io/ios/app/lutron-app/id886753021)

Control smart lights, shades, and other connected devices remotely and securely. Enhance your daily routines by managing your home's atmosphere from anywhere in the world.

**Highlights:** Remote control of smart devices, Secure access from anywhere, Control lights, Control shades, Integrates with Lutron systems

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Reliable and flawless performance
- 🔒 Secure and trustworthy system
- 👍 Easy to set up and use
- 👍 Convenient remote and voice control
- 👍 Seamless integration with smart home platforms

**What reviewers complain about**

- 🐛 Frequent app crashes and freezes
- 🔍 Outdated and unintuitive app interface
- ⏱️ Slow app loading and device syncing
- 🚫 Lack of widget support and iOS integration
- 🔌 Compatibility issues with certain devices and bulbs

**Reported bugs**

- App fails to connect to Lutron system
- Devices disappear from app after iOS updates
- Inconsistent behavior with geofencing and motion sensors
- Scenes and automations not working as expected

**Requested features**

- Add dark mode option
- Improve app responsiveness and load times
- Restore widget functionality for quick access
- Expand customization options for rooms and schedules
- Integrate more smart home platforms and voice assistants


### Light Master

[App page](https://appshunter.io/ios/app/light-master/id1077969059)

This app transforms your device into a professional light meter. Measure illumination, CCT, UV, and XY values by simply plugging in a compatible accessory. It's a handy tool for analyzing light conditions.

**Highlights:** Measures illumination, Measures CCT, Measures UV, Measures XY values, Requires accessory connection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lutron App free?

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

### Is Light Master free?

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

### Do Lutron App or Light Master have ads?

Neither Lutron App nor Light Master shows ads.

### Which is updated more often, Lutron App or Light Master?

Lutron App ships an update every 9 days, and Light Master every 10 days. Most recently, Lutron App was updated on October 17, 2026 and Light Master on October 10, 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.*