If you’ve never used either, you can rest assured that both platforms have all the tools you need for trading our full range of instruments. 
 
The main differences between the two are their interfaces, programming language (this affects your EAs), and chart types and timeframes (ctrader offers a wider range). There are also additional differences in some features, but as quick summary, the above covers the main differences. 

If you want to learn more about the differences, check out our Ctrader MetaTrader comparison blog post