Tachiwin is an open-source mobile application for Android whose objective is the dissemination, consultation, reassessment and learning of the Totonac Language, where not only the Totonac-Tepehua Linguistic family is disseminated, but also allows familiarity with the forms of writing and its 9 dialectal variants emphasizing South Central Totonac. At the same time, this application is committed to the discussion and appreciation of the other national linguistic families of Mexico.