IMO Collision Regulations, also known as "COLREGs", is a free Android application developed by Bitmetric. This app provides the rules that ships and other vessels must follow to prevent collisions at sea. The original document is published by the International Maritime Organization (IMO), but countries may have their own versions.

This app is a highly recommended "sea bible" for mariners, sailors, navigators, merchant navy deck officers, and deck cadets. It is an essential resource for anyone who works on a ship or vessel. IMO Collision Regulations is easy to use and provides clear and concise information on the rules of the road for ships and vessels. With this app, you can ensure that you are following the correct procedures and staying safe at sea.