Flip Clock Pro vs SeClock

Flip Clock Pro is a minimalist desktop digital clock. Desktop clock widget supports displaying seconds and calendar. - Show time in seconds on Dynamic island - Full screen display time and date - 12 and 24 hour modes. - Smart alarm clock, can automatically adjust the volume. - Support multiple clock themes. - Provide timer and stopwatch, countdown. - The Pomodoro Technique helps you focus on work and study. - Support playing background white noise. - Show time seconds in Today widget. - Provide home screen and lock screen clock widget display with seconds. - Provide calendar and clock widget display. - Support to display personalized signature on the lock screen - Hourly chime, hourly voice timekeeping. - You can set the app to automatically launch when charging, as a screensaver.

SeClock shows just the seconds on your Lock Screen or Home Screen — the part the system clock leaves out. Long-press the Lock Screen or Home Screen to add the widget. An in-app purchase lets you tune the font, weight, size, and opacity so the seconds blend into your setup. Prefer the Dynamic Island? Tap the button in the app to start a Live Activity that keeps seconds ticking there for up to about 8 hours. You can also use the app itself as a fullscreen HH:MM:SS clock. *Widgets and Live Activities may be off by up to about 1 second.