A mobile version of Smile's PDF editing utility, PDFpen, has been launched for the iPhone. With PDFpen for iPhone
, users can add text, images, and signatures to PDFs, make corrections, resize and delete images, and fill out forms. Support for iCloud storage is also featured, allowing users to easily access any document on a Mac, iPad, or iPhone. PDFpen for iPhone is being offered at a limited introductory price of $5 in the App Store.