Pinnacle Test Prep, LLC introduces PrepUP 1.0.1, an update to their SAT and ACT Prep app for iOS devices. Version 1.0.1 offers a myriad of performance improvements, and fixes the Facebook registration bug. PrepUP aims to revolutionize the world of test prep by bringing students together to study in a fun and competitive format. In addition to practice tests and the question of the day, students can learn effectively through the in-depth answer explanations to the thousands of questions on the app. PrepUP 1.0.1 is Free and can be downloaded from iTunes.