Unfortunately, MetaTrader 4 is 32-bit application that is no longer compatible with Macs that updated to OS Catalina. It is one of the world’s most popular desktop trading platforms, and many brokers (including some of the ones listed below) integrate their platform into the MT4 API to allow you to trade with them from this sophisticated desktop application. MetaTrader 4 is a desktop trading platform that offers a very wide array of analysis & charting tools, as well as several customization options. What is MetaTrader and can I access it with my Mac? A web-based interface usually offers everything most trader needs, but advanced traders may seek more customization options and look toward popular desktop platforms such as MetaTrader 4 or 5 for their activities. Today, most brokers offer web and mobile-based platforms that allow users of all operating systems to trade and benefit from functions for both beginner and intermediate traders. While the user experience on a Mac is unparalleled, it is often considered simpler to trade on a PC, mainly because of the greater compatibility with trading platforms. How is trading on a Mac different from trading on a PC?