Deadline is a free Android application developed by Igor Dyatlov that helps users organize and keep track of their events. The app boasts a simple UI that is easy to navigate. It supports event classification and has two modes: normal and durable events. Additionally, the app has four statuses - ongoing, gone, wait, and done - that help users keep track of their event progress.

One of the most useful features of Deadline is its 4x2 sorting options, which allows users to sort their events according to their preferences. The app also has a countdown and progress feature that provides users with a quick view of the status of their current events.

Overall, Deadline is an excellent event organizing and reminder app that is perfect for those looking for a simple yet effective way to manage their events. With its straightforward UI, sorting options, and status tracking features, Deadline can help users stay on top of their schedules easily.