Chemistry By Design is a free educational app developed by iHelpNYC for Android users. It is an interactive virtual flashcard application that offers students a unique opportunity to test their organic chemistry skills. The app features a continuously growing database of hundreds of syntheses of natural products and pharmaceuticals, enabling users to browse and test their knowledge of synthetic sequences.

The app's user interface is intuitive and user-friendly, making it easy to navigate and use. You can start browsing by selecting from various lists or using the search box. The goal of the app is to display the reagents, starting materials, and products for every single step used in constructing a natural product or pharmaceutical. With Chemistry By Design, students can improve their organic chemistry skills and learn at their own pace.

Overall, Chemistry By Design is an excellent app for students who want to improve their organic chemistry skills. It is easy to use, informative, and provides a unique learning experience. The app is a great resource for anyone interested in learning more about organic chemistry and synthetic sequences.