Sweet Home 3D is described as 'Free Java-based interior design tool for drawing house plans, arranging furniture, and viewing results in 3D with open-source flexibility' and is a very popular Interior Design app in the home & family category. There are more than 50 alternatives to Sweet Home 3D for a variety of platforms, including Windows, Web-based, Mac, iPad and iPhone apps. The best Sweet Home 3D alternative is SketchUp. It's not free, so if you're looking for a free alternative, you could try Planner 5D or Blophome. Other great apps like Sweet Home 3D are Floorplanner, Ashampoo 3D CAD Professional, Live Home 3D and Autodesk Revit.
I've been using it for years. It’s very easy to manage and it has a large amount of furniture. It produces stunning results with little effort.