"How Much Do I Owe" is a free iPhone app developed by Sharif Doghmi under the Utilities & Tools category. The app aims to simplify the process of splitting bills among a group by accurately calculating the amount each individual owes, including tax, tip, and other fees. By utilizing a proportional allocation formula based on the size of each person's order, the app ensures fair and consistent bill splitting. Users can easily determine the exact amount they need to pay back to the host without the need for manual calculations, reducing errors and confusion.

This handy app not only streamlines bill splitting at restaurants but can also be used for dividing expenses on various occasions such as shopping receipts, groceries, travel, and more. Additionally, "How Much Do I Owe" includes a convenient tip calculator feature, making it a versatile tool for managing shared expenses.