AST CST Exam Prep is made and published by MastrAPI. AppBrain is an independent app data site and isn't affiliated with MastrAPI. The app name, icon, screenshots and description belong to MastrAPI and are shown as published on the App Store.

About AST CST Exam Prep

AST CST Exam Prep is an education app developed by MastrAPI.

User Ratings

AST CST Exam Prep is rated 4.58 out of 5 stars. The rating is based on 290 ratings.

App Information

AST CST Exam Prep is freely available from the App Store. The app size is 34.89 MB. The latest version available is 3.3.3. The last update was on December 26, 2025.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since August 2021.

Description by MastrAPI (from the App Store)

Pass your CST exam with flying colors! Boost your confidence in passing first time with our mobile app and a personal study plan based on your current skill and requirements.

Screenshots

Screenshots by MastrAPI, from the the App Store listing

4.58 · 288 reviews

Official page on the App Store

Alternatives to AST CST Exam Prep

Changelog of AST CST Exam Prep

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Developer information for MastrAPI

MastrAPI

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AST CST Exam Prep