豆牙 AI is built specifically for Taiwan users. Whether you need to write reports, translate documents, learn languages, or plan your day - just ask in one sentence.

▶ Why 豆牙 AI Beats Other AI Assistants

100% Traditional Chinese interface (no Mainland China terminology)

Voice conversation with natural Taiwanese accent recognition

Visual Q&A: Take a photo and ask questions instantly

Free forever for basic features

▶ Better Than ChatGPT, Gemini, and Claude for Chinese Tasks

Most Western AI assistants struggle with Traditional Chinese context, Taiwan-specific terminology, and local cultural references. 豆牙 AI is trained on Traditional Chinese content and understands Taiwanese expressions, slang, and cultural nuances that other AI assistants miss.

▶ Perfect For

▸Students

Solve math, physics, chemistry problems with step-by-step explanations

Get help with English, Japanese, Korean homework

Write essays, research papers, and thesis chapters

Summarize textbooks and create study notes

▸Working Professionals

Draft emails, meeting notes, and project proposals

Generate presentation outlines and PowerPoint content

Write, debug, and optimize code

Create resumes and prepare for interviews

▸Daily Life

Real-time translation across Chinese, English, Japanese, Korean, Thai, Vietnamese

Plan trips with restaurant and attraction recommendations

Get health advice on diet, exercise, and sleep

Help kids with homework and learn Zhuyin (Bopomofo)

▸Creative Work

Write novels, scripts, lyrics, and marketing copy

Generate images from text descriptions

Create video scripts and social media content

Get naming ideas for products, businesses, and babies

▶ What Users Say

"Finally, an AI that understands Traditional Chinese properly"

"Better than ChatGPT for Taiwan-specific questions"

"My kids' homework helper - saves me hours every week"

"Voice recognition works perfectly with Taiwanese accent"

"Cleaner interface than other Chinese AI apps"

▶ Privacy & Security

All conversations encrypted end-to-end

Compliant with Taiwan Personal Data Protection Act

Your data is never used for model training

Delete conversation history anytime

▶ Disclaimer

豆牙 AI is an AI assistant tool. While we continuously improve accuracy, AI responses may occasionally contain errors or misunderstandings. Please cross-reference important decisions with other sources. We welcome your feedback through the in-app feedback feature.

Subscription Terms:

Payment will be charged to your iTunes account upon confirmation

Subscription auto-renews 24 hours before the end of each period

Manage or cancel in Settings > Apple ID > Subscriptions

Cancellations take effect at the next billing cycle

User Terms: https://sites.google.com/view/douya/douya-ai/user

Subscription Terms: https://sites.google.com/view/douya/douya-ai/subscription