How do I zoom in/out of the chart on my iPhone app? Client Service Team 29 July 2021 02:24 Updated You can zoom in or out of a chart by pinching your fingers together across the screen, in the same way the zoom function operates on standard iPhone Photo applications. Related articles How can I zoom in and out of the chart on my MetaTrader 4 Android app? Can I place a trailing stop on the iPhone app? What is a Margin Call? How do I open charts on the MT4 iPhone app? Are there any special conditions I need to know about?