About
This app helps mechanical engineering students verify their Geometric Dimensioning and Tolerancing (GD&T) callouts. It provides instant validation against ASME Y14.5-2018 rules, clear explanations of tolerances, and a comprehensive symbol reference library. All features work offline, making it a convenient study tool.
What's New in GD&T Check
1.0.1
August 17, 2026
FAQ
What is GD&T Check?
GD&T Check is a mobile application designed to help mechanical engineering students validate their Geometric Dimensioning and Tolerancing callouts. It checks callouts against ASME Y14.5-2018 rules and provides clear explanations.
How does GD&T Check validate callouts?
The app allows you to build a feature control frame step by step, selecting feature types, GD&T symbols, tolerances, and datum references. It then validates your combination against ASME Y14.5-2018 rules and flags any errors.
Does GD&T Check work offline?
Yes, GD&T Check works fully offline. No account or internet connection is required to use any of its features, making it convenient for studying anywhere.
What GD&T symbols are included in GD&T Check?
GD&T Check includes a reference library with all 14 GD&T symbols. Definitions, usage guidelines, common mistakes, and datum rules are provided, organized by category: Form, Orientation, Location, Profile, and Runout.
What is the learning methodology of GD&T Check?
GD&T Check employs a practical, step-by-step approach to learning GD&T. It validates user input against established standards and provides plain-English explanations to clarify the meaning of tolerances, aiding comprehension.
How does GD&T Check track progress?
While GD&T Check doesn't have a formal progress tracking system like a course, it maintains a saved history of every callout you check. This log serves as a running reference for your work and study sessions.
Is GD&T Check suitable for beginners?
Yes, GD&T Check is built for students learning GD&T. Its plain-English explanations and step-by-step validation process make complex concepts more accessible for beginners.
Does GD&T Check offer certifications?
GD&T Check is a validation and reference tool for students and does not offer formal certifications. Its primary purpose is to aid in learning and practice of GD&T principles.
