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 How do I register for iPayment account? Is Maxi-Cash app the same as iPayment web? How will I know if my ticket renewal is successful? Do I need an account to use the Maxi-Cash app? Will there be charges such as transaction fee, service fee, etc?