AP Statistics Practice & Prep is a free Android app developed by Varsity Tutors LLC, designed to help students prepare for the AP Statistics exam. The app offers professionally written material by statistics experts, and users can take full-length, timed practice exams to simulate test day. The app provides the same tables and visual cues as the actual test, challenging users' knowledge of statistical operations and vocabulary.

With detailed explanations of practice questions and answers, the app helps users understand the calculations they are using rather than relying on rote memorization of equations. The app also allows users to explore individual concepts such as z-scores, confidence intervals, determining significance, identifying statistical patterns, and random phenomena. Users can create digital flashcards to study statistical definitions or use the library of flashcards to test themselves on practice problems across a range of statistical ideas.

The app's comprehensive diagnostic assessments can highlight users' weaknesses in univariate data sets or confidence intervals. The portability and connectivity of the app allow users to share their results with others and study anywhere. The Varsity Tutors AP Statistics app for Android-powered smartphones and tablets is an excellent study tool that can make preparation for the AP Statistics exam simpler and more convenient.