CNC MASTER Free is a free Android application developed by Black White Software. It is designed to help machinists and engineers with various calculations and functions related to CNC machines. The app offers a wide range of features, including cutting speed calculator, bolt, nut, washer, and O-ring calculations, turning round, cusp, taper angle, and material weight calculator.

One of the most notable features of CNC MASTER Free is the Fanuc alarm and fitting functions, which provides users with quick access to Fanuc alarms and fitting data. The app also includes G code M code, AutoCAD, and master cam shortcut key functions, making it easier for users to program CNC machines. Additionally, the app provides cycle time calculation, which allows users to estimate the time it takes to complete a task accurately.

Overall, CNC MASTER Free is a comprehensive tool for machinists and engineers, offering a wide range of functions and calculations needed to program CNC machines. The app is accessible and user-friendly, making it an excellent choice for both novice and experienced users.