Description: AnkiDroid is a free and open-source flashcard app for Android. It allows users to create decks of flashcards with text, images, audio, and video, and uses spaced repetition to optimize studying. AnkiDroid can help memorize anything from languages, to science material, to trivia.
Type: software
Pricing: Open Source
Description: Lingro is a language learning app that helps you learn new languages quickly and easily. It uses spaced repetition, interactive games, and audio lessons to help you learn vocabulary, grammar, listening, reading, writing, and speaking skills.
Type: software