I have the free version, which I enjoy. It is annoying that ads pop up which do not expire. They just sit there and I cannot play. I understand having an ad, which plays, is then over, and then one can play. I'm fine with that....the price of not paying for the game. But NOT allowing access because the ad is in an interminable loop is annoying. It is also misleading, because it appears that you can play for free sometimes, but not when you want. I will likely find another version of Mahjong to play.