This document discusses the top 10 VR app development companies. It provides information about each company, including Red Apple Technologies, Hyperlink Infosystem, Visertech Inc, Groove Jones, Setapp, Bit Space Development Ltd, XMOD Inc, VR Vision Inc, AVRspot, and FS Studio. For each company, it summarizes their services such as VR/AR app development, UI/UX design, software development, and digital marketing. It concludes by stating the reader can choose any of these top companies based on their needs and requirements.