So you would like to time your speedcubing sessions like a pro? The GAN Speed Cube Timer has you covered. It connects to the Ai CubeStation app and records your time with 0.001-second accuracy. Its app keeps track of your sessions to help you analyze trends.
This Bluetooth speedcube timer has 3 buttons, so it is pretty easy to use. It records your past 5 results and automatically calculates your average.