With Apple replacing Google Maps with its own in-house solution last fall, it essentially left the folks who use public transit services in the dark. Among its many flaws, Apple's Maps app doesn't feature any kind of transit data or directions.
So those who required this information were forced to seek out third party solutions. And today one of the more popular ones, The Transit App, received a major update. It now features real-time vehicle locations and, oh yeah, it's now free!