SenGram - Sentence Diagramming is an educational app designed for iPhone and iPad users, focusing on improving grammar skills through engaging sentence diagram puzzles. With over 100 pre-prepared puzzles, the app allows users to dissect sentences, identify grammatical structures, and represent them visually using the Reed Kellogg diagramming style. This method not only makes learning enjoyable but also caters to various users, including ESL students and those preparing for standardized tests like the SAT and GMAT.

The app includes a diverse range of sentence types, such as subject-verb constructions, prepositional phrases, and linking verbs, among others. Users can also access additional puzzles for purchase in the SenGram Store. This tool is particularly beneficial for students who are studying courses that incorporate sentence diagramming as a teaching method, making it an excellent resource for reinforcing grammar knowledge.