San Diego MTS: AnyStop It takes some setting up (choosing your favorite stops and lines) - but once it's done this app has great info on the San Diego bus routes and lines and times of arrival. You can use GPS to find the closest stops to you.
CBS 8 - San Diego News This has all the local San Diego news as well as some international and national news. Also has sports, weather, and video. No FB or Twitter sharing.
San Diego Breweries An impressive selection of San Diego craft breweries shown as map markers. You can plan a brewery crawl, view details about the breweries, and it uses maps to get you around so GPS enabled. Useful!
San Diego Symphony This free app lets you have easy access to the San Diego Symphony. It has music, events info, videos, and more!
San Diego Photos A selection of beautiful color photos of San Diego that can be shared with friends or used as wallpaper.