A clean shower area is one that get's wiped down regardless of grout type.
Different grout types may prohibit the process, but IMO, keeping it clean is key to long term showers looking clean.
I've always hated the look of squeegees. They looked too utilitarian, even the so called ~shower bathroom~ designed ones.
I came across this one and picked up 2 too boot. PERFECT for any bathroom decor or style ;-)