What is the difference between Words With Friends and Words With Friends 2?

The main difference is that Words With Friends 2 is usually updated with the newest features before the others. For example, that version has the ability to switch tile styles for each game individually which the others do not yet have.

Is Words With Friends free to play?

“The game is free to play; however, in-app purchases are available for additional content and in-game currency.”

Can you play Words With Friends without the app?

Play Words With Friends on Facebook

You just have to know where to look. You can start by looking up the official Words With Friends page on Facebook via the web browser on your computer, just as you would when accessing Facebook normally.