Develop a mobile application using React Native that can keep a record of expenditures made by an individual and generate detailed reports regarding the same. The app should be equipped with various features that allow users to add and categorize expenses, monitor account balances, set financial goals, and receive notifications when they exceed their set budget. The app should also provide visual representations of expenses across categories and allow users to export their data. Lastly, the interface should have a sleek design that remains user-friendly and convenient to use.
This prompt doesn't seem malicious.