Postsnap - Postsnap's iPhone app is the best, free postcard creator. Make & send real printed postcards, greeting cards, invitations and announcement cards using your own photos.

Mail the Family - Send postcards to a group as easily as posting a tweet.

Fizzer - Send a personalised postcard with your photos. Holiday cards, thanks, greetings, invitations, birthdays and announcements.

Moo Postcards - Simple postcard printing

Stampix - Photo printing in a fast, easy & ecological way.

Mailform Postcards - Choose any photo and send it as a postcard!