ROJO LED vs RLT SYSTEM MASTER
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ROJO LED
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.
- Simultaneous multi-lamp control
- Adjustable brightness
- Set running time
- Control pulse frequency
- Bluetooth broadcast signal
- Command execution by lamps
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The ROJO LED sends broadcast signals through the Bluetooth of the mobile phone, and can simultaneously control all the lamps within a radius of 5 meters, such as controlling the on/off of the lamps, setting the brightness, running time and pulse frequency of the lamps. The Bluetooth broadcast signal will not be sent all the time, but only when the command is sent. The lamp will store the received command and execute it. When multiple APPs are controlled at the same time, the lamp will only execute the last command received.
RLT SYSTEM MASTER
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The RLT System Master app gives you convenient remote control of your FS8 or FS2 panel. To connect, simply select the same group number in the app and on your panel. Once the group numbers match, the app is connected to the panel. You can then select the desired channels, set the session time and pulse frequency, or choose from the built-in smart modes. Once your settings are confirmed, you can start your therapy session directly from the app. The panel will turn on automatically and shut off when the selected session time is complete. With the RLT System Master app, customizing and managing your red light therapy sessions is simple, convenient, and effortless.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 September 27, 2026 and September 29, 2026 respectively.
| Parameter | ROJO LED | RLT SYSTEM MASTER |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (17 ratings) — better | — |
| Positive reviews | 14.3% of reviews | — |
| Number of ratings | 17 — better | — |
| Update frequency | Monthly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12 | 12.0 |
| Further details — not scored | ||
| Size | 61 MB | 37 MB |
| Age rating | 17+ | 4+ |
| Developer | Rojo light therapy ltd | 中玲 曹 |
In-app purchases
ROJO LED
No in-app purchases
RLT SYSTEM MASTER
No in-app purchases
Questions
Is ROJO LED free?
Is RLT SYSTEM MASTER free?
Do ROJO LED or RLT SYSTEM MASTER have ads?
Which is updated more often, ROJO LED or RLT SYSTEM MASTER?
Other comparisons
