Review cards using spaced repetition based on the Ebbinghaus forgetting curve. Set custom review schedules and pause plans for specific goals. Highlight text, hide key terms, and create math formulas in cards. Organize with folders, tags, and colors.
by 玉栋 侯★ 4.6101 ratingsProductivityFreeData updated 2026-09-20
Practice English speaking with AI-powered conversations that simulate interviews or chats. Get real-time feedback on pronunciation, grammar, and vocabulary. Record and review sessions to track progress.
Verify user identities through real-name and real-person authentication. Issue electronic work credentials and enable one-code access in covered areas. Reduce management costs and improve external personnel efficiency.