The USP Reference Standards app is a free, convenient, and easy-to-use resource and reference guide that can help you learn about the USP and its components. The app is designed to make it easy to find and understand the information you need in real-time, regardless of whether you're an expert or not.

The app contains a wealth of resources, including standard reference books, guidelines, and articles, plus a lot of tools to help you learn more about the USP and its components.

This is all very useful, but it's not all you'll find in the app. There's a lot more that can help you in your work.