What's the best Android app for putting together complicated furniture or grill kits?

BILT is an Android application designed to replace paper manuals with digital, interactive 3D assembly guides. The app's primary strength for assembling items like furniture or grill kits is its visual, step-by-step guidance. Instead of deciphering static diagrams, users can rotate a 3D model of the product with their fingers, zoom in on specific parts, and watch animations that show exactly how components fit together. This proves particularly useful for projects with many similar-looking parts or where orientation matters, such as assembling a Weber grill where certain brackets or vents must face a specific direction. The app often includes tools like a parts list with visual verification, which helps ensure all pieces are accounted for before starting. User feedback suggests the visual, interactive nature reduces frustration and prevents common assembly errors. However, the experience depends heavily on the availability and quality of the specific product guide within BILT's library. While most guides are thorough, some users note that paying close attention to part orientation in the 3D view is crucial, as a quick glance can sometimes miss subtle directional cues. For someone facing a box of unassembled parts, BILT provides a clearer, more modern method to complete the job compared to traditional booklets.