Imesart today announced USB Disk Pro for iPhone and iPad. USB Disk Pro is a file manager and viewer that can open a variety of file formats. Use File Sharing to transfer documents or media from iTunes to your iOS device and then use the App to view them.
You can import PDF, MP3, Word files, Pictures, and more. You can create folders, add files to them, open email attachments using the App, and restore your last viewing postion.
USB Disk Pro can also connect with your Dropbox, iDisk and WebDAV account to import and export files and media. Transferring files is a fast procedure and the App is also capable of multi-tasking on iOS 4.2.
Get the App for $0.99 from the App Store.