BBC Cymru Fyw is an iPhone application developed by BBC Media Applications Technologies Limited. It is a Welsh language service that provides the latest news and top stories from Wales. The app offers a variety of features including main news stories, magazine articles, opinion pieces, blogs, photo galleries, and more.

Users can explore sections such as Politics for insights into the political landscape in Wales, Areas for local news from different regions of Wales, and Listen for highlights from BBC Sounds in Welsh. BBC Cymru Fyw also allows users to opt-in for notifications, with unique device details stored securely by Urban Airship on behalf of the BBC.