The study aims to identify The Usage of WhatsApp for Academic Knowledge in Gulf Tertiary Institutions among Students from Saudi and Bahraini Universities, applying to a sample of 175 students. The results indicated that the students used this application for many reasons such as: participate in discussion about assignments and research, publish some notifications and announcements about courses among classmates, discuss course Specification with the instructor , exchange the ideas about course project with my classmates, increase accommodation with behaviors related to academic performance, exchange the previous and expected exams questions with classmates, Increase my co-operation with classmates in preparing assignments.
Keywords: Usage, WhatsApp, academic purposes