Today only, Quickoffice Inc. has Quickoffice Connect (iTunes Link) in the iTunes App Store for FREE for a limited time. Deal expires February 10, 2010.

ACCESS. VIEW. SHARE.
Quickoffice Connect™ service allow users to easily access, view and share files from multiple cloud storage services, including MobileMe, Dropbox, Google Docs, and Box.net. From a single, convenient application, you can access content from anywhere, manage content on-device, transfer files via WiFi, and share files via email or your cloud service provider.

With Quickoffice Connect, you’ll have easy access to your content across multiple devices, from office workstations and home computers to laptops, iPhones or the iPod touch. Email, View & Access Attachments with Popular File Formats (DOC, DOCX, XLS, XLSX, PPT, PPTX, PDF, iWork, HTML, PNG, JPG, GIF, SVG, TIF, MP3, etc.)