Coinbase, Binance, Kraken, Nexo are among the best app for people who are new to making money and trading cryptocurrencies, because they are easy-to-use, have strong customer service, and offer a user-oriented basic interface. Using these centralized exchanges, you can trade cryptocurrencies and crypto-assets such as Bitcoin, Bitcoin Cash, Ethereum, Ethereum Classic, Litecoin, BAT, USDT, and ZRX. Also, their mobile apps are free to install.