Expense & Revenue is a free Android app developed by Block21 that offers a simple solution to manage your daily expenses and revenues. With this app, you can easily save the amount, date, and details of your expenses and revenues, and assign them to the pre-built or custom categories. You can also generate spending reports for better insights into your spending habits.

The user interface of Expense & Revenue is easy to navigate, making it a great choice for those who want a hassle-free expense management experience. Additionally, the app allows you to download your data in CSV files and attach them to emails, making it easy to share your financial data with others. Overall, Expense & Revenue is a great choice for anyone looking for a simple yet effective expense management app.