While year-over-year growth for Venmo still beats the Cash App at 35 percent versus 19 percent, the growth in new mobile payment app downloads of Venmo has slowed down, compared to increases of 54 percent in April, 47 percent in March and 44 percent in February. Try out the Cash App Cash App lets you transfer money to friends and family as well as buy Bitcoin with your cash cash. CoinDesk is an independent operating subsidiary of Digital Currency Group, which invests in cryptocurrencies and blockchain startups. Levine Bradley Keoun Dec 20,