In the third episode of "Coffee on Couchbase," Robin, the lead developer at FrontLog, discusses the integration of Couchbase Mobile in developing a collaborative productivity and task management app. This app enables rapid synchronization of tasks across multiple devices, users, and teams, utilizing features like LiveQuery for real-time database updates and the Channels feature to allow users to subscribe to and share LogBooks. FrontLog provides a seamless user experience both online and offline, with offline-created tasks automatically syncing once a connection is reestablished. The app is available on iTunes for iOS and Mac OSX, showcasing the impressive technology of Couchbase Mobile that facilitates fast synchronization across platforms.