While desktop software is more powerful, mobile apps for tablets and smartphones have become surprisingly capable. uses LiDAR (on newer iPhones and iPads) to scan a room by simply pointing the camera at the walls. Houzz offers a "View in My Room 3D" feature for furniture. For a full design experience, Home Design 3D (the app named exactly that by Anuman Interactive) is a popular paid app that syncs projects across iPad and Android tablets.
Home Design 3D: Bridging Imagination and Reality in Residential Planning
Not all Home Design 3D software is created equal. Choosing the right one depends entirely on your budget, your technical proficiency, and the complexity of your project.