Mastering Spectroscopy is a free educational app designed for Android users. The app offers comprehensive learning on organic chemistry by analyzing Infrared (IR), nuclear magnetic resonance (NMR), and mass spectrum data for a variety of organic samples. With its user-friendly interface, users can identify functional groups and proton types in the graphs and build the compound based on their findings.

The app provides a great learning experience for students and professionals alike, who can benefit from its interactive features and engaging interface. The app is designed to enhance the user's understanding of organic chemistry and is a great tool for anyone who wants to master the subject. Overall, Mastering Spectroscopy is a must-have app for anyone who wants to learn organic chemistry in an interactive and engaging way.