Do you have to be an Oz Lotteries member to install/use the app? Sophie September 25, 2018 06:27 Updated Follow The Oz Lotteries app is available to be installed and used by anyone and everyone. However, only those with an Oz Lotteries account can purchase tickets. Note: The mobile app is only available for download by those residing in Australia. Related articles How do I know if I've won a charity lottery prize? Why can't I find my country? What can the app do? Do you have a mobile app? Difference between Oz Lotteries and The Lott Comments 0 comments Please sign in to leave a comment.