"This information is solely used by us for debugging and analytical purposes (e.g., to enhance the Service) .... We log information about your use of the Service, including the type of browser you use, access times, pages viewed, your IP address and the page you visited before navigating to our Service. .... We collect information about the mobile device you use to access our Service, including the hardware model, operating system and version, unique device identifiers and mobile network information. .... We may collect information about the location of your device each time you access or use one of our mobile applications or otherwise consent to the collection of this information. ...."
From: https://www.secret.ly/privacy