The question that comes to mind is: can you use 2 cash investment accounts or can I have more than one cash investment account? so it's one of the most common questions a lot of people ask. can you have 2 cash app accounts, The answer is all you have to do is log out of your Cash App account first. You cannot use the same email address or phone number for all Cash App accounts. However, you can get assistance from our technology team visiting our website.