Budget Traker

On the main screen, a user sees all transactions, could filter transaction by date, sees balance, total income and total expenses for filtered transactions and could add new transaction and custom category. All transactions are sorted by date.
On the screen of adding a new transaction user could simply choose the purpose of transaction (income or expense), category and date. By default purpose set to expense, default category and date - is the last chosen value. It helps the user to make the process of adding a new transaction simpler and faster.
On the category screen, the user has a list of categories and a button for adding a new custom category.