Automatic savings mobile app Digit is expanding its services, adding the option to let users pay off credit card debt with money in their Digit account. To try out the new feature, called Digit Pay, users create a “credit card debt” goal in the Digit app settings, then activate the service. Once Digit Pay is enabled, the app will begin to use funds saved within the account to pay off your credit card balances. There’s also a new feature called “Boost,” which tells the app how to prioritize the goals you’re saving for. So, if credit card debt is most important, you can mark it with a boost, and the app will work toward clearing that goal first.