What's the best Android app for visualizing how furniture and decor would look in my actual room before buying anything?

RoomGPT AI is specifically designed for homeowners and renters who want to preview interior design changes before committing to purchases. The app uses photo-based room scanning to create accurate 3D models of existing spaces, then allows users to virtually place furniture items from various retailers and experiment with different layouts. This functionality proves particularly useful when measuring furniture for awkward spaces or testing color schemes against existing room elements. Users report the drag-and-drop interface makes rearranging virtual furniture intuitive, though some note the free version limits access to premium furniture catalogs. The app includes style filters for quickly applying different design aesthetics like minimalist, industrial, or Scandinavian to see how entire room concepts would translate. One practical scenario involves testing whether a sectional sofa would fit in a small living room while maintaining walkways, or visualizing how different rug sizes would anchor a bedroom space. Reviews indicate the augmented reality preview feature works reliably on most modern Android devices, providing a reasonably accurate sense of scale and proportion. The main limitation comes with complex room shapes, where the automatic scanning sometimes struggles with irregular angles or heavily textured walls. Still, for quick visualization of furniture placement and basic decor concepts, RoomGPT AI delivers solid results without requiring professional design software expertise.