Augmented reality (AR) adds visual overlays on the physical world and is usually viewed through a smartphone. Virtual reality (VR) depicts a self-contained, navigable 3D world and is usually experienced through a specialized motion-detecting headset. Just as marketers have learned when a project should employ a website and when it should utilize an app, so they are beginning to understand when to choose AR or VR.
Source : When should marketers use AR and when VR? – MarTech Today