Hey!! We have developed a contest reminder app. It's a simple app that helps programming enthusiasts in setting reminders to all the contests and hackathons across many platforms. It also has customized tabs for each platform. You can also find your ratings. The App will work for every time zone and it has both Dark and Light Themes.
App Name: CPing
PlayStore Link: https://play.google.com/store/apps/details?id=com.rr.CPing
Please check it out and rate us on the google play store.