I have bought a 3 unit license. I have installed Freedome on my pc and Android phone. But is it possible to install the last license on one iPad, and later uninstall on that iPad and install on another? Or am I bound to the first three units?
Yes you can always install it on your 3rd device and upon installing on the 4th device you will get a prompt to transfer the key. You can refer here for more information about this.