You must be aware that cryptocurrencies are a product of the online realm. Likewise, MetaMask is an online service too, but the only difference between the two is it was created to cater to the security needs of all the crypto users or crypto fanatics in this cyber-risky digital environment.
You should know that Metamask Walletis a digital wallet in the form of a browser extension that you can install on your browser (the recommended option) and with recent developments you can also get the service app for your mobile phones.
Using this wallet service is extremely easy and feasible- all you have to do is install the extension on your default browser (if compatible), set up a MetaMask log in account with a password, and sign into it. to get more details browse at MetaMask Extension.