Everything was magical (several successful and easy prints) until I tried to purchase additional "points." Both times an error message popped up saying the transaction failed (or words to that effect), but lo and behold the charges were made against my iTunes account. I submitted an inquiry via the in-app email address, but alas, no reply.
And thus TECO builds their empire $3.98 at a time . . .
Idiomatic Facsimile about iCan-Print