Hidden Dragon

Launch Special: Pro at $12.99/month - early adopters keep this price forever

Hidden Dragon

Built for Mandarin learners, with additional support for other languages. All AI features adapt to your level from Baby Dragon 🐣 (absolute beginner) to Master Dragon 🐉 (native-level). Learn vocabulary in context with sample sentences - never in isolation.

14 Free Features (including games!) + 7 Pro AI Features = Complete Language Learning Platform

💬
Pro

Chat with Your Dragon

Practice real conversations with a friendly, topic-aware AI tutor. Every conversation is contextual. Optional video chat mode with AI avatar and camera for immersive practice.

Chat with Your Dragon screenshot
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📝
Pro中文

Tell me a Story

Generate topic-specific illustrated stories at your level with HSK vocabulary builder. Comprehensible input that builds vocabulary through natural narrative context and illustrations.

Tell me a Story screenshot
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✍️
Pro

Homework Checker

Get context-aware feedback on your writing. AI understands the topic and purpose of your text.

Homework Checker screenshot
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Pro

AI Enhancements

AI automatically generates translations, pronunciation (IPA, pinyin, romanization), and sample sentences for your flashcards. Learn words in context, never in isolation.

AI Enhancements screenshot
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📖
Pro

Topic Vocabulary Generation

Generate complete vocabulary sets on ANY topic with contextual sample sentences

Topic Vocabulary Generation screenshot
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📚
FreePro
中文

Vocabulary Analysis

Automatic breakdown of every word in your sample sentences with meanings, examples, HSK levels, and bopomofo (FREE for Chinese!).

Vocabulary Analysis screenshot
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📐
FreePro
中文

Grammar Analysis

Deep-dive grammar explanations for any sentence you're learning (FREE for Chinese!).

Grammar Analysis screenshot
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📖
Free中文

Free Textbook Library (9,000+ Cards)

Download pre-made textbook courses covering beginner to advanced levels. Completely free.

Free Textbook Library (9,000+ Cards) screenshot
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📝
Free

Unlimited Flashcard Creation & Organization

Create unlimited custom flashcards organized into Books and Chapters - perfect for following your own curriculum!

Unlimited Flashcard Creation & Organization screenshot
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🎤
Free中文

Pronunciation Trainer with Visual Feedback

Listen to native pronunciation, compare with visual waveforms, and get detailed feedback. Recording & analysis available on Chrome/Edge desktop and iOS Safari.

Pronunciation Trainer with Visual Feedback screenshot
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🧠
Free

Spaced Repetition System (SRS)

Scientific algorithm that optimizes when you review cards for maximum retention

Spaced Repetition System (SRS) screenshot
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🌍
Free

Multi-language support

Built for Mandarin learners, with additional support for other languages.

Multi-language support screenshot
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🎮
Free

Interactive Learning Games

Reinforce vocabulary through play with Memory Match, Word Matching, Dragon Chain, and Tone Trainer. All games use native voice pronunciation.

Interactive Learning Games screenshot
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✍️
Free中文

Chinese Character Writing Practice

Interactive stroke-by-stroke writing practice with real-time feedback (Chinese only).

Chinese Character Writing Practice screenshot
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☁️
Free

Cloud Sync & Multi-Device Support

Your flashcards, progress, and settings sync seamlessly across all your devices

Cloud Sync & Multi-Device Support screenshot
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🔀
Free

Match Game

Connect words with their translations under time pressure for fast-paced active recall.

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🎵
Free中文

Tone Trainer

Master the 4 tones with listen-and-identify challenges using native audio.

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🔗
Free中文

Dragon Chain (接龙)

Build word chains where each word starts with the last character of the previous one.

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🧩
Free

Crossword Puzzle

Solve crossword puzzles with your vocabulary.

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Free vs Pro Comparison

Manual Flashcards
Free
Unlimited
Pro ($12.99/mo)
Unlimited
Spaced Repetition (SRS)
Free
Definitions
Pro ($12.99/mo)
Definitions + Writing
Advanced Pronunciation Trainer
Free
Pro ($12.99/mo)
Sentence Mining
Free
Tatoeba corpus
Pro ($12.99/mo)
AI generated sentences
Games
Free
Pro ($12.99/mo)
Multi-language support
Free
Pro ($12.99/mo)
AI Flashcard Generation
Free
Pro ($12.99/mo)
200 daily
Topic Vocabulary
Free
Pro ($12.99/mo)
200 daily
AI Conversations
Free
Pro ($12.99/mo)
Unlimited*
Dragon Stories (4,000+ Illustrated Stories with Karaoke)
Free
5
Pro ($12.99/mo)
Unlimited access + 15 new/day
Homework Checker
Free
Pro ($12.99/mo)
15 daily
Grammar Analysis
Free
Pro ($12.99/mo)
Bulk Translation
Free
Pro ($12.99/mo)
Up to 200/day
Top-tier AI models
Free
Pro ($12.99/mo)
Comprehension Tests
Free
Pro ($12.99/mo)
Difficulty Levels (🐣 → 🐉)
Free
Textbooks Only
Pro ($12.99/mo)
✓ All AI Features

Why Choose Hidden Dragon?

Most Comprehensive

13 powerful features in one app: 5 free core features (including games!) + 8 AI-powered learning tools. Everything you need to achieve fluency.

90% Chinese Accuracy

Using Qwen 3 32B - specialized for Chinese with excellent accuracy on grammar, vocabulary, and tone analysis.

Exceptional Value

$12.99/month for premium AI features that adapt to your level. Daily limits designed for optimal learning: 50 conversations, 15 stories, 15 homework checks, 200 AI-enhanced cards. 7-day money-back guarantee.

Ready to Start Learning?

Try Pro risk-free with our 7-day money-back guarantee. Cancel anytime.