About Hidden Dragon

卧虎藏龙 - Unleash your hidden potential

Welcome to Hidden Dragon

Hidden Dragon combines proven spaced repetition (SRS) with AI technology to help you learn languages faster and remember longer. Master vocabulary through interactive textbooks that adapt to your learning pace.

Named after the Chinese idiom 卧虎藏龙 (wò hǔ cáng lóng) - "Crouching Tiger, Hidden Dragon" - our mission is to help you unlock your hidden language-learning potential through gamified learning with cultivation realms from Baby Dragon 🐣 to Immortal Dragon 🐉.

Core Features

Free Features

Spaced Repetition (SRS) - Smart review scheduling for long-term retention
Pronunciation Trainer - Real-time pronunciation feedback with accuracy scoring
Multi-language support - Mandarin specialty plus other supported languages
Cloud Sync - Access your progress from any device

Built for Chinese Learners中文

Character Writing - Stroke-by-stroke practice with real-time feedback
Character Analysis - Radicals, components, etymology for every character
Traditional/Simplified - Seamless switching between scripts

Pro Features(all languages)

AI Stories - Generate illustrated stories with AI artwork (15 daily). Learn through comprehensible input.
AI Conversations - Practice with adaptive AI tutors (unlimited*). Learn through conversational practice.
AI Homework - Personalized writing exercises with instant feedback (15 daily)

Version Information

Version: 0.0.1

Last Updated: May 15, 2026