Expensify is a popular expense tracker app that helps users manage their expenses and receipts. With Expensify, users can easily track their business expenses, create expense reports, and submit them for reimbursement.Expense tracker apps can be used for a variety of purposes, including personal budgeting, business expense management, and tax preparation.Overall, expense tracker apps can be a valuable tool for anyone looking to better manage their finances. By providing a clear picture of where your money is going, these apps can help you make more informed financial decisions and achieve your financial goals more effectively.