[JosephRedfern]

Cool idea - but how is it being paid for? By the looks of things, it's using Twilio - but that'll get expensive if this becomes popular.

[allisonburtch]

I'm doing my best to find change on the ground and in fountains and mailing them to Twilio.

[hayksaakian]

paid apps? (android market start with only free apps)

"if this becomes popular"

is a nice problem to have, in general