What is the best free app in apple store ...office tools

Question

What is the best free app in apple store ...
office tools

Answer 1

for what? office productivity?
These aren't all free, but you can look atvthese:
Microsoft office compatible apps and services
Apple's iWork apps
http://www.apple.com/iwork/
3rd party Microsoft equivalent apps
http://www.polarisoffice.com/en/iOS.asp
http://itunes.apple.com/sg/app/quickoffice-pro-hd-edit-office/id376212724?mt=8&l s=1
http://itunes.apple.com/sg/app/office2-hd/id364361728?mt=8&ls=1
http://itunes.apple.com/sg/app/documents-to-go-premium-office/id317107309?mt=8&l s=1
http://itunes.apple.com/sg/app/polaris-office/id513188658?mt=8&ls=1
Others, including cloud based
Microsoft Office Web Apps:These are versatile apps since they can be used on or off the cloud. Expect a simplified experience to the full version of Microsoft Office suite.
OnLive: Access both a degree of Windows desktop functionality and full Windows versions of Microsoft Office Suite.
CloudOn: This was one of the first solutions for iOS productivity. Syncing with Dropbox, CloudOn offers a more complete Windows desktop. The tradeoff is it also offers a more pared-down version of Word, Excel, and PowerPoint.
rollApp: Offers Open Office programs for iOS, also utilizing Dropbox.
LogMeIn: Remotely access your home computer's desktop from your iOS device. This solution requires coordination of logins, settings, and hookups. The free version does not offer file transfer, but you can get a separate, free app for that.
Google Docs: Now featuring Google Drive for iOS, users no longer have to battle with pressing the Refresh periodically to initiate syncing. This makes collaboration much smoother, resulting in a stronger office productivity product.