Pros: Amazingly helpful app for navigating St. Louis transit. Includes real time bus tracker and ability to purchase fare in-app! Cons: "GO" mode for trips does not turn off automatically upon reaching the destination, draining the phone's battery. App provides spoken instructions even when muted. There are excessive warnings about poor GPS signal -- duh, I know I am in a tunnel, you don't need to remind me every few minutes. App requires paid subscription to function in some locations.