Regular sponge: sits on the side of the sink, in a puddle of its own mess. Edge Brush: sits on a non-slip resting point to save counter space and allow excess water to drain. Point: Edge. Regular sponge: flat, porous cleaning surface. Edge Brush: non-scratch head curved to clean corners—and an integrated pan scraper. Final score: Sponge 0, Edge Brush 2. Any questions?