The most popular e-wallet apps today are: - PayPal. One of the oldest and most popular e-wallets. PayPal enables users to send and receive money globally, as well as make online purchases. - Venmo. A mobile wallet app that allows users to send money instantly, split bills, and buy products online. - Cash App. A mobile payment app developed by Square, Inc.. It allows users to transfer money, buy and sell bitcoin, and invest in stocks. - Google Wallet. A wallet developed by Google that allows users to perform money transfers and make purchases online and offline. - Apple Pay. A mobile payment and wallet service developed by Apple. It allows users to make digital payments using their iPhone, Apple Watch, or iPad.