Will there be a mobile app for iSTOX? iSTOX May 21, 2019 03:49 Updated iSTOX will initially be available only via a website interface, but we are planning to launch a mobile app in the future. Related articles What is iSTOX? I have a technical problem. Who can help me? What are currency holidays? How does iSTOX work? What fees does iSTOX charge issuers?