ProsĪvailable for free: Although the Mac App Store and Amazon offers a $13.99 paid version with 1,200 pieces of furniture, check out the free version, which comes with 100 furniture pieces.Įasy to get going: To start, click the New Home button in the toolbar. Sweet Home 3D is an interior-design app that lets you create 2D floor plans, add and arrange furniture, and then examine your work in 3D.