Using the latest version of the Mac software, repositioning the Doit.im window is flaky. This used to work in earlier versions of OS X.
Please advice, see movie clip of how this looks here: http://data.egil.net/tempimages/ScreenFlow.mp4
@egilhelland Hi there, it's the compatibility problem with OS X El Capitan. We will fix it as soon as possible. Sorry for the inconvenience.