Can I place a trailing stop on the iPhone app? Client Service Team 29 July 2021 02:24 Updated No, trailing stops cannot be placed through the MT4 iPhone app. Related articles Can I place a trailing stop on the Android MT4 app? Can I use EAs on the iPhone app? What’s the difference between Initial Margin, Variation Margin and Total Margin? Where can I download the MetaTrader 4 iPhone app? Is there a Margin Stop Out level?