KuCoin is a wallet that also offers you currency exchanges. It is available for android and ios, being compatible with almost all cellular devices. This wallet in addition to offering you to keep your assets safe also gives you the freedom to make currency exchanges, with an interface at the start of the application that allows you to graphically detail the rates of the currencies of your interest. This is compatible with more than 30 currencies and transaction fees are not removed, you can make transfers to other types of wallets.