What is the mobile phone OS version that Maxi-Cash app support? March 25, 2019 04:02 Updated We support iOS version 10 and above and Android 6 (Marshmallow) and above. Related articles Can I use Maxi-Cash App to pay for my interest any time of the day? Can I use Maxi-Cash app while overseas? Will there be charges such as transaction fee, service fee, etc? What else can I do besides paying interest on Maxi-Cash app? Is Maxi-Cash app the same as iPayment web?