What else can I do besides paying interest on Maxi-Cash app? March 25, 2019 04:06 Updated Presently only interest payment function is available. Related articles Will there be charges such as transaction fee, service fee, etc? Is Maxi-Cash app the same as iPayment web? What are the payment options available on the Maxi-Cash App? Do I need an account to use the Maxi-Cash app? What items do you accept?