CheckSoft - Check printing software
CalPrint - CalPrint uses your existing reminders and calendar entries on your iPad or iPhone (Exchange, iCal and Google Calendars etc.
Checkeeper - *Have your own check stock? Awesome, Checkeeper will work with virtually any type!
Printer Pro - Print attachments, receipts, documents, web pages from your iPad and iPhone.
Online Check Writer - Online Check Writer is an all-in-one financial service provider with all kinds of payment options to pay and get paid.
Print - Developers of application solutions for the iPad & iPhone. 'Printing on the iPhone: “There's an App for that” - Print & Share' as featured in Apple's “Office” iPhone commercial