SimExams is one of the most influencing apps which allows students to practice exams online. The SimExam application is available around the clock. One can synchronize the application in mobile, and tablets with ease. This software is rich in feature and mobile friendly to use. The registered candidate can take the exams or learn with his/her fingertips over their mobile phone, and all the records can be saved securely.
Check out the application here
http://www.simexams.com/purchase/cbt-exam-engine-android.htm
also check out this for ios app
http://www.simexams.com/purchase/cbt-exam-engine-ios.htm
MAC OS app
https://www.simexams.com/purchase/cbt-exam-engine-mac.htm