RTX Master, developed by RTctrl, is a free Android app that enables you to control Art-Net compatible lighting fixtures from a range of manufacturers, such as Rayzr, Vibesta, and F&V, through the RTX router or any other Art-Net compatible device.

The app offers an easy-to-use interface with color pickers that allow you to fine-tune your lighting configuration in real-time. It supports up to seven different color modes and lets you group lights together to change settings for multiple lights at once. Additionally, you can organize complex scenes and play through sequences with the sequence control feature. Overall, RTX Master is a useful tool for controlling your Art-Net compatible lighting fixtures.