Link	Google Docs	Microsoft Word	Apple's Pages
Cross platform?	Yes	Yes	- With iWork for iCloud, or just simply by using the website.
Is it free?	Yes	No	Yes
Can you work offline?	Yes	Yes	Yes
How many people can you invite to the document?	Up to 100	Up to 500	Up to 100
Does it have an app?	Yes	Yes	Yes