A lift-assist device is disclosed including a seat frame. A seat base can be pivotally coupled to the front side of the frame and moveable between a depressed and extended position. The seat base and seat frame are positionable over the toilet such that a central aperture on the seat base is positioned over the toilet bowl of the toilet. A first arm support can be coupled to the first lateral side of the seat frame and a extends from the top side of the seat frame. A first arm can be pivotally coupled to the first arm support about a point located between a front end and a rear end of the first arm, the rear end of the first arm supporting the seat base. A biasing member can be connected to the seat frame, the biasing member configured to bias the seat base in the extended position.