Lettrs also does it..... part of me really likes these apps but part of me also says 'what's really so hard about going to a card shop or printing your own photo from a printing app, putting a stamp on and writing a few words yourself? I go through phases of doing that and it's not so demanding... it feels a lot more personal too. Do however confess to using Touchnote to send off quick and reasonably regular postcards to far away relatives and friends. As long as we stay in touch one way or the other right?
http://www.producthunt.com/l/da8...
A bulk price estimator and API would be key. Even though you're getting more words (230) than MailLift, at $9.95 for one letter, the price point seems to be off.
Cently