Great App I do recommend!

Quick TIP ! Create shortcuts after you have installed it . In my case Ive used ALT+1 , 2, 3 and 4 for the 4 quadrants and ALT+Q (left half) , ALT+W (right half) and ALT+E for Full-Screen. Its pretty quick and helpfull. It indeed helped my productivity.

Torreda about BetterSnapTool, v1.2.3