The paid versions of Threes do not collect, market, or sell your data in any way. Your game data is backed up to iCloud or Google Play, depending on your operating system, but that data is accessed by no one except you.
We use a third party advertising company to market, sell, and display advertisements that you may see when you play our game. This company may use information (not including your name, address, email address or telephone number) about your usage of our game in connection with such marketing, sales, and advertising activities, including with respect to goods and services that may be of interest to you. In the course of such advertising activities, we may, on their behalf, or the third party advertiser itself may place or recognize a unique ‘cookie’ on your computer or mobile device.
Additional privacy information about our ads is available here