YACP is easy to install, just drag and drop the zipped version into the Wordpress Plugin installer.
YACP is 100% shortcode based, and you can create unlimited countdowns for your website. There is no premium version.
YACP is open-source, you can access and read the source code. Anyone who want to contribute is welcome.
YACP is developer friendly and based on simplycountdown.js, anyone with basic CSS skills can create a custom countdown theme.
If you have any basics CSS skills,
YACP allow you to easily create your own theme.
You can use this simple template to create your custom theme.