Potential...

This looks like a terrific app. But the promise doesnt hold past the first day or so of usage.

Serious problems, in no particular order:

Counting down seconds until arrival for a bus just doesnt reflect the lack of accuracy in the MBTA data. Yes, its kind of neat, but in the end its illusory.

I still have no idea how apps using the same data can differ so in their estimates, but this one seems wrong more often than the others I have.

And, most inconveniently, this app has the most intrusive ads Ive yet come across in any iOS app, ever. Ive had to kill the app numerous times because an app wont dismiss - and I wont pay $5 just to lessen pain.

If this worked as it promised, Id love to rate it more highly - but cannot in its current state.

K. M. Peterson about Transit Tracker - Boston