Optimus Prep is specialized in test prep for the GMAT, SAT, GRE, IELTS and TOEFL.Our clients achieve the highest avg. score improvements in the industry and we are the best rated company on gmatclub.com, the biggest GMAT forum worldwide.If you are interested contact our support for a free online trial hour or 7 days trial access to our on demand course solutions.Optimus Prep is active in more than 20 countries and we offer a score improvement or full refund guarantee! History Established in 2011. Optimus Prep analyzed all offers of the leading test prep companies and developed a business strategy to offer more service, more class room hours, better tutors, more practice questions, more included test simulations for substantially lower rate!