Apps like ZenClock - Fullscreen Clock

Here are some great alternatives to ZenClock - Fullscreen Clock by BlueMatter :

Huge Clock - Fullscreen Clock

Huge Clock - Fullscreen Clock

Huge Clock Fullscreen Display

Huge Clock Fullscreen Display

Android Clock Widgets

Android Clock Widgets

Stylish - Clock Live Wallpaper

Stylish - Clock Live Wallpaper

StandBy iOS: Always On Display

StandBy iOS: Always On Display

Fullscreen Clock

Fullscreen Clock

Flip Clock: World Clock

Flip Clock: World Clock

Qzey: Simple Digital Clock

Qzey: Simple Digital Clock

Clock Lock Screen

Clock Lock Screen

Night Clock - Live Wallpapers

Night Clock - Live Wallpapers

MaxClock - Big Digital Clock

MaxClock - Big Digital Clock

Huge Analog Clock

Huge Analog Clock

Frog flip desktop clock

Frog flip desktop clock

Cat flip desktop clock

Cat flip desktop clock

Analog and Digital Clock-7

Analog and Digital Clock-7