# Light Master vs Roborock

The clearest difference is review sentiment: Roborock at 52% against Light Master's 0%. Roborock also leads on chart position (#64 vs unranked). Light Master's advantage is iOS requirement (9.0 vs 15.0). 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.

Light Master ships an update every 10 days, Roborock every 3 weeks. The most recent releases landed on October 29, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Light Master | Roborock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (131K ratings)](https://appshunter.io/ios/app/roborock/id1462875428/reviews)** |
| Number of ratings | — | **131K** |
| Positive reviews | 0.0% of reviews | **52.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free | Free |
| Best chart rank | — | **#64** |
| Size | 32 MB | 199 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Opple Lighting Co., Ltd.](https://appshunter.io/developer/955299786) | [Beijing Roborock Technology Co., Ltd.](https://appshunter.io/developer/1462875427) |

## What reviewers say

### 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


### Roborock

[App page](https://appshunter.io/ios/app/roborock/id1462875428)

**Currently charting:** #64 Top Free · Lifestyle (US App Store)

Control smart home cleaning devices remotely. Manage robotic vacuums, wet and dry cleaners, and washer dryers. Customize cleaning plans, monitor progress, and access advanced features from anywhere.

**Highlights:** Remote device control, Real-time status monitoring, Customizable cleaning plans, Map editing and zone control, Smart scheduling, App-specific washing programs

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Powerful suction and mopping
- 🤖 Excellent navigation and mapping
- 🧹 Thorough cleaning performance
- 📱 Intuitive and feature-rich app
- 🔋 Long battery life

**What reviewers complain about**

- 🐛 Connectivity and WiFi issues
- 🤖 Mapping and navigation bugs
- 🤖 Inconsistent performance after updates
- 📱 Clunky and unintuitive app UI
- 🤖 Gets stuck or lost easily

**Reported bugs**

- Frequent disconnection from WiFi
- Map corruption and loss of saved data
- Robot getting lost or confused about its location
- Unexpected behavior and errors after firmware updates

**Requested features**

- Ability to manually place docking station on map
- Option to disable side brushes
- Customizable cleaning schedules and routines
- Support for more maps/floors
- Easier room editing and management


## Frequently asked questions

### Is Light Master free?

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

### Is Roborock free?

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

### Do Light Master or Roborock have ads?

Neither Light Master nor Roborock shows ads.

### Which is updated more often, Light Master or Roborock?

Light Master ships an update every 10 days, and Roborock every 3 weeks. Most recently, Light Master was updated on October 29, 2026 and Roborock on November 1, 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.*