Kanbann is a productivity app designed for the Apple Watch, offering Trello functionalities without the need for your phone nearby. This app allows users to create, archive, move cards, append descriptions, comment, create checklists and items, and manage checklist items. Additional note and list features can be accessed through a small in-app purchase after a one-week free trial.

One standout feature is the ability to create Trello cards using Siri on the watch, enhancing hands-free productivity. Setting up Siri support for Kanbann on your phone and designating default lists on your watch are necessary steps to utilize this feature efficiently.