ChemistryEngineering Dataunitscalculations free is an Android application developed by ChemEng Software Design. This free app falls under the category of Education & Reference and provides information on over 4000 chemical compounds from various chemical groups. It is a simple and easy-to-use app that allows users to access information by dropdown list. The app contains unit conversions 300+ definitions, a Sci-calculator that allows the direct use of the chemical data information for calculations, and a Sudoku game. This app also features a search box to search for items within a group, and a share button to export the displayed information via email and other means of sharing. All data is maintained offline, and no internet connection is required to access it. However, it is important to note that all data is provided "as is" and no guarantees or warranties for the correctness of the data are implied.