Harken is a flashcard app that employs techniques such as spaced repetition and active recall to enhance the learning process. It simplifies the creation of flashcards with a flexible WYSIWYG editor supporting various content types, making it a versatile tool for learners. The app aims to streamline the study process and improve retention rates, catering to different educational needs.

Opal leverages advanced AI technology to assist students in their study sessions. The tool allows users to upload documents and generates personalized study materials such as summaries, notes, flashcards, and quizzes. Its intuitive interface makes studying more interactive, helping users focus on key concepts and improving retention. With features like active recall and spaced repetition, Opal adapts to individual learning styles, ensuring an optimized educational experience for users of all levels.

Thea is an advanced AI-based study tool designed to help students study more effectively. It provides a suite of features including personalized flashcards, practice tests, and study kits. Thea’s smart study capabilities adapt to the user’s learning needs, ensuring a tailored studying experience. With active recall and spaced repetition methods, Thea enhances retention and understanding of various subjects including history, biology, and math. It is accessible on both mobile and web platforms, making it convenient for students to study anytime, anywhere.