Not saying it's cheap but https://lightform.com/. - Source: Reddit / about 1 month ago
8th Wall - Cross-Platform Mobile AR
PictureThat - Fill your walls with art and photos in AR 🎨
Snap Art - Snap's augmented reality platform
Metaverse - Democratized augmented reality platform: AR for everyone!
Voxel Builder - Design and edit 3D voxel models in your browser.
Apple ARKit - A framework to create Augmented Reality experiences for iOS