MetaMask is a wallet for storing sending and receiving various cryptocurrencies on the Ethereum network, which can be installed for free in various browsers for desktop computers or in a mobile beta version for iOS and Android.
Also with the help of Metamask you can
- manage ERC20 tokens;
- connect directly to decentralized exchanges (DEX);
- use Ethereum dApps (for example, Ethlend, MakerDAO, KyberSwap, etc.).