When comparing Zukitre vs clearlooks-phenix, the Slant community recommends Zukitre for most people. In the question“What are the best gtk3 themes?” Zukitre is ranked 9th while clearlooks-phenix is ranked 11th. The most important reason people chose Zukitre is:
The design of Zukitre differs from Zukitwo in that there are fewer gradients and rounded corners. It is also designed to be more flat.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Designed to be flat with sharp corners
The design of Zukitre differs from Zukitwo in that there are fewer gradients and rounded corners. It is also designed to be more flat.
Pro Good contrast
This theme has a good text and border contrast.
Pro Available everywhere
Clearlooks was basically ported to almost every OS or device so you can even make your virtual guest OS look like your host OS.
Cons
Con Only supports the latest release of Gnome Shell and GTK
For Debian or Ubuntu users this theme will not work as it only supports the latest version of Gnome Shell and GTK.