To answer it in simple words, the need to download Metamask Extension arises when the investors is willing to manage their wallet through a web plugin instead of a mobile app.Coinbase Pro Sign In is an advanced feature of Coinbase which is also available as Advance Trade now a days Overall, Robinhood login offers a variety of ETFs and cryptos. If your interested in ETFs and crypto investing then Robinhood is one of the best ways to keep your costs low.