Duett is a free mobile app for Android that provides a range of financial management services, including accounting, payroll, and expense management. The app is developed by Duett AS and is designed to provide users with a simplified, mobile-friendly interface for accessing the features available on Duett's website.

With Duett, you can easily send messages to your accountant and view your payslip on the go with Duett Messaging. The app also allows you to approve and pay invoices with Duett Payment, submit travel expenses and receipts with Duett Travel, and register and submit your hours with Duett Time. The app is constantly being updated with new features, so users can expect even more functionality in the future.

Overall, Duett is an excellent choice for anyone looking for a simple and efficient way to manage their finances on the go. The app is easy to use and provides all the essential features needed to manage your finances effectively.