ABA Spanish - English Glossary
This is an app I made sometime back to function as a technical glossary when I was in graduate school. It uses both English and Spanish. It allows you to search for behavior analytic terms in the glossary by starting letter.
Fun Share: Study & Quiz App - Starter kit
^^^ and hear your phone three examples of study apps. The first example is a Spanish English study app so that may also come in handy for you.