RoomGrub - expense splitter app

There's a specific kind of tension that comes with shared living. It's not dramatic. It's not loud. It's the quiet discomfort of wondering — did I pay more for groceries this month? Did they? It's the mental overhead of keeping track of who bought the cooking oil, who paid the electricity bill, and who's been conveniently forgetting both. I've been there. And like most developers, my first instinct was: there should be an app for this. So I built one. What is RoomGrub? RoomGrub is a free, open-s