# ROJO LED vs RLT SYSTEM MASTER

The clearest difference is update cadence: RLT SYSTEM MASTER at every 4 days against ROJO LED's monthly. On price, ads, in-app purchases and device support there is nothing between them.

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

ROJO LED ships an update monthly, RLT SYSTEM MASTER every 4 days. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ROJO LED | RLT SYSTEM MASTER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (17 ratings)](https://appshunter.io/ios/app/rojo-led/id6473399372/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free | — |
| Size | 61 MB | 37 MB |
| Requires iOS | 12 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Rojo light therapy ltd](https://appshunter.io/developer/1718891049) | [中玲 曹](https://appshunter.io/developer/1682161709) |

## What reviewers say

### ROJO LED

[App page](https://appshunter.io/ios/app/rojo-led/id6473399372)

Control multiple smart lamps simultaneously within a 5-meter radius using Bluetooth. Adjust on/off status, brightness, runtime, and pulse frequency. Commands are sent only when needed and lamps execute the last received instruction.

**Highlights:** Simultaneous multi-lamp control, Adjustable brightness, Set running time, Control pulse frequency, Bluetooth broadcast signal, Command execution by lamps

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

**In-app purchases:** none


### RLT SYSTEM MASTER

[App page](https://appshunter.io/ios/app/rlt-system-master/id6790787023)

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

**In-app purchases:** none


## Frequently asked questions

### Is ROJO LED free?

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

### Is RLT SYSTEM MASTER free?

RLT SYSTEM MASTER is free to download, with no in-app purchases.

### Do ROJO LED or RLT SYSTEM MASTER have ads?

Neither ROJO LED nor RLT SYSTEM MASTER shows ads.

### Which is updated more often, ROJO LED or RLT SYSTEM MASTER?

ROJO LED ships an update monthly, and RLT SYSTEM MASTER every 4 days. Most recently, ROJO LED was updated on October 13, 2026 and RLT SYSTEM MASTER on October 14, 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.*