Best viral wordpress theme at the moment?

I’m torn between the Bimber and Boombox theme. Has anyone downloaded both themes? I understand Bimber was released back in February of 2016 while Boombox was released back in September of 2016. While Bimber, of course, has more sales, Boombox appears to have sold more on a monthly basis.

Can someone give me a review on their pros/cons between the two themes? Thank you.