We rank Cash App at the top of our top five list of the most popular $50 loan instant app. The reason is? You can expect everything from Cash App since it is a fintech and payment app. In addition to free debit cards, direct deposits, and investing features, it also boasts a lot of benefits. It is also pertinent to note that Cash App allows users to borrow up to $500 for free. Consider using a Cash App if you already have one. Find out how much you can borrow for free by visiting the banking section. Cash App customer service can be contacted if the borrow money feature is not available.