A free app for Android, by NerdWallet.

NerdWallet is a free personal finance app for Android that lets you see the big picture of your finances. The app tracks spending across multiple cards and bank accounts together and knows what you have left based on income, spending, and bills. You can use it to find places to cut back spending, adjust your budget, and set aside money to save. If you have more than one bank account, it will track them all. You can monitor and build your credit with NerdWallet. Track your money flow and enjoy saving.