The game was released in July 2009. It can be played across the operating systems operating systems Android, Windows Phone and iOS (iPad, iPhone, iPod Touch). It can also be played on Facebook, Kindle Fire, and Nook Tablet. In the game is an unreliable chat feature, which allows opponents to send messages to each other. From 2010 to 2011 Words with Friends was one of the top games in the iOS app store. It can be played as a free version with advertisements, or a paid version without ads.