Hello! Zebra is free for all. This is only a display font. Use it where you like it.
Zebra is a contemporary display font like, 'prisma' and 'monoton'.
Zebra is a pure display font designed to be used above 60pt. It is a dual face font. 
It is designed to be used freely everywhere.

(Note: Don't use it on small scale, you'll face problems)
Email me if you wanna appreciate :)
utsays@gmail.com