Can I use EAs on the iPhone app? Client Service Team 29 July 2021 02:24 Updated Unfortunately, Expert Advisers (EAs) cannot be used on the MT4 iPhone app. Related articles How do I set up EAs and indicators on MT4 for Mac? Can I use the MT4 iPhone app for multiple accounts? Can I use EAs on the Android MT4 app? How do I modify a trade on MT4 for Android? Do you prohibit any trading styles?