Learn languages using spaced repetition and i + 1 sentence mining. Review vocabulary with flashcards and practice sentences. Track progress with detailed statistics and adjust study intervals. Export notes and share content with others.
Teach vocabulary through crosswords. Solve puzzles with color-coded letters to identify correct placements. Practice spelling and reading skills. Includes 8 crosswords in the Lite version.
Learn through flashcards with 7000 words across three levels. Listen to audio pronunciations in English, Japanese, and Hanja. View North transcriptions and example sentences. Study in different modes with an adaptive algorithm.
Learn vocabulary through spaced repetition system for improved retention. Create and customize flashcards with text, images, and audio. Review cards based on performance and difficulty.
