Acorns (Free) Toss aside the coin jar on your dresser— Acorns can do better by rounding up purchases from your linked debit and credit cards to the nearest dollar and investing the change. Mint (Free) Mint remains the king of budgeting apps. You can find out where your money is going, pay bills, check your credit score, and use a myriad of other built-in financial tools. Simple (Free) Simple is a well-rounded, completely free app that allows you to pay bills, manage your finances, monitor spending, and stay within your means so you can save for the future. Level Money (Free) Tired of budgeting with your calculator? Level Money reviews your income and spending habits, then calculates what you should be spending every day to keep you on track. Betterment (Free) Forget about poring over various stock funds. This app's robo-adviser finds the best mix of funds that match your goals for your investment account, Roth IRA, or traditional IRA. GoodBudget (Free) GoodBudget is a great tool for family members who want to create a joint budget, allowing you to track spending amounts for various categories, such as groceries, clothes, and entertainment. Wally (Free) This manual-entry expense tracker lets you scan receipts straight from the app, analyze your spending habits, set a budget for yourself, and calculate your savings goals. Credit Karma (Free) You no longer have to keep an eagle eye on your credit report, because this app will do it for you. You'll be notified of any changes, and you can dispute errors from the app. StockTwits (Free) StockTwits is like social media for stocks. Learn what other investors and analysts are saying about the stocks you own, those you're hoping to sell, and the ones you should buy. YNAB (Free) Hailed as a tool to quickly get out of debt, YNAB (short for You Need a Budget) helps you save more money and stop living paycheck to paycheck by keeping you accountable.