Apps to Cross-device syncing

SuperMemo is a powerful learning software leveraging spaced repetition to optimize knowledge decay and retention. It employs sophisticated algorithms to schedule reviews of learned material at scientifically determined intervals, maximizing long-term memory formation and minimizing study time.

VocApp.com is a comprehensive online platform designed to enhance vocabulary acquisition and language learning through interactive flashcards, spaced repetition, and gamified exercises. It caters to learners targeting various foreign languages, offering customizable learning experiences and tracking progress across devices.

Cram is an intuitive online platform designed for creating, sharing, and studying with digital flashcards. It provides a versatile tool for memorization across various subjects and languages, utilizing features like spaced repetition and game modes.

Ninchanese is an engaging, story-driven gamified platform for learning Mandarin Chinese, suitable for beginners to advanced learners.

AnkiDroid is a powerful and free open-source mobile application for learning and memorizing through spaced repetition flashcards. It leverages the proven principles of spaced repetition to help users effectively retain information for the long term across various subjects and disciplines.

AnkiApp is a versatile cross-platform flashcard application designed for effective memorization using a sophisticated spaced repetition system (SRS). It caters to various learning needs, from language acquisition to academic studies, by providing a robust and customizable digital flashcard experience on mobile and desktop devices.

Audible is a premier online platform offering a vast library of audiobooks, podcasts, and original audio content. It provides a seamless listening experience across multiple devices, featuring a diverse selection from bestsellers to niche titles, catering to every listener's interests.

Memrise is a dynamic language learning platform that combines spaced repetition with engaging content. It offers a diverse range of courses, including those created by native speakers and the community, accessible via web and mobile apps. Ideal for building vocabulary and language skills through interactive exercises and gamification.

Quizlet is a leading platform offering digital flashcards and various study tools to make learning engaging and effective. It supports millions of students and teachers worldwide with interactive modes like Learn, Match, and Test.