You need to read about them,compare,to get to know all pros and cons and then decide which one is better for you.
Magento,as I think, is known for best eCommerce.This platform was born to be an e-commerce. It is flexible(you can do almost anything according to the client’s needs). The huge plus of that platform is open source,so anyone can use it to his/her advantage. The best thing about Magento for ecommerce is that it allows you to perform multiple tasks at the same time. So to say shortly,if you want to sell something then of course, Magento is the best.But if you want to have a simple website for advertisement or blog,then it is better to use Shopify 🙂 Shopify is a much more user-friendly platform that has the potential to get you online in a matter of hours. They have a huge range of professional and stylish themes to help you get started, all you really need to do is switch in your own content and imagery and you’ll be ready to go!So if you want to see results quickly and easily,then choose Shopify!