There are plenty of FREE practice and tutorial apps and websites to help prepare you for your test(s). Here are some of the best:
The Accuplacer Web-based study app: You can use this app anywhere, it works on your phone, computer, or tablet! The app features practice tests for the math–Next-Generation Quantitative Analysis and Statistics (QAS), Reading, Writing and Next Generation Advanced Algebra Functions (AAF) Pre-Calculus/Calculus. These practice tests have the same types of questions that are on the tests. The “Learn As You Go” feature provides immediate feedback about right/wrong answers with tutorials to help you learn how to get the right answers.
The College Board/Accuplacer Practice: Free sample questions to download and practice.
Purdue OWL//Purdue Writing Lab: This online writing lab (OWL) at Purdue University provides free writing resources and instructional material to help you craft your best college-level essay for the Accuplacer Writeplacer test used for OCC English placement.
Free Accuplacer Practice Tests: This site uses actual sample Accuplacer questions to help you see how prepared you are for the actual exam. Sponsored by Kaplan and updated for 2021.