O'Clock is a clock app with a modern and minimal design. The font is large and clear, with comparison to the twelve divisions of the day of early Chinese timekeeping. Support Widgets and Apple Watch.

Features:
- Support Apple Watch with Watch Face Complications
- Support Lock Screen Widgets
- Switch between 12/24 hour clock
- Support both portrait and landscape mode
- Toggle display of seconds
- Background and text color switching
- Support Background Picture