Immersive learning
Learn through real movies, music and conversations instead of textbooks.
Korean, English & Vietnamese
Master languages,
naturally.
Immerse in real content with AI feedback that gets you speaking faster.
50,000+ learners 4.8 rating 16+ countries
Powered by world-class technology
Learn languages through real life
003Lab makes Korean, English and Vietnamese feel natural. We blend immersive real-world content, advanced AI and personalized paths, so learners everywhere reach real conversational fluency faster.
03
Discover the apps.
Live in 16+ countries and languages, with tens of thousands of learners and proven, effective results.
Tap a card to open the app and scan its download QR.
Inside the apps
Beautiful in every language.
AI personalization
Adaptive lessons tuned to your level and your goals.
Speak anytime
An AI conversation partner ready whenever you are, day or night.
Always fresh
Updated with trending dramas, music and topics, never stale.
Why 003Lab
Real fluency,
faster.
Learn Korean, English and Vietnamese from real content, with AI feedback tuned to you.
Start learningMore details
Global community
Learn alongside people across thirty plus countries.
Visible progress
Real improvement within the first month or two.
How it works
Become fluent in just four simple steps.
From zero to confident conversation, our proven method helps you learn naturally and effectively.
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1
Onboard & personalize
A quick, smart onboarding in just a few minutes:
- Create your account
- Choose your target language (Korean, English, or Vietnamese)
- Share your learning goals and current level
- Get a learning path tailored to your needs and schedule
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2
Immerse with real content
Learn through engaging, real-world content you actually enjoy:
- Watch K-dramas, K-pop, and vlogs with Korea Lens
- Practice everyday conversations with Dot Speak
- Master authentic Vietnamese through real situations with Vietlens
- Absorb vocabulary and grammar through context, not rote memorization
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3
Practice speaking with AI
The most powerful step. Speak directly with our AI conversation coach:
- Instant feedback on pronunciation, intonation, and grammar
- Shadowing with native speaker audio
- Role-play hundreds of real-life scenarios
- Practice anytime, anywhere, without fear of mistakes
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4
Track progress & review
Stay motivated with intelligent progress tracking:
- Daily learning streaks
- Detailed skill reports (listening, speaking, vocabulary)
- Smart spaced repetition to help you remember
- Real confidence to use the language every day
Ready to start your language journey? Thousands of learners worldwide have gone from "I don't understand" to "I can speak confidently" in just a few months.
Kind words from learners.
Testimonials
Korea Lens helped me understand Korean dramas without subtitles in just three months. Easily the best investment I have made in learning a language.
Sarah K.United States · Korea Lens
Dot Speak's AI feedback is incredibly accurate. I finally feel confident speaking English in meetings at work.
Diego MoralesMexico · Dot Speak
As an expat in Vietnam, Vietlens made learning Vietnamese so much easier and genuinely fun. The real conversations and instant corrections kept me practising every single day.
Lukas MüllerGermany · Vietlens
FAQ
Questions, answered.
What is 003Lab?
003Lab is a global language technology company dedicated to making language learning more natural, effective, and enjoyable. We develop intelligent apps, Korea Lens, Dot Speak, and Vietlens, that combine real-world content with advanced AI to help learners achieve conversational fluency faster.
What services does 003Lab provide?
We create high-quality language learning mobile applications focused on Korean, English, and Vietnamese. Our apps offer immersive learning, AI-powered speaking practice, real-time pronunciation feedback, and personalized learning paths.
Who is 003Lab for?
Our apps are designed for anyone who wants to learn languages effectively, from complete beginners to advanced learners. Whether you are a K-culture fan, a professional needing English, an expat in Vietnam, or a heritage learner, 003Lab has a solution for you.
What makes 003Lab different?
Unlike traditional apps that focus on rote memorization, we emphasize immersive learning through real content (K-dramas, music, daily conversations) and powerful AI speaking coaches that give instant, accurate feedback. Our approach helps you not just study, but actually think and speak in the target language.
Does 003Lab develop educational apps?
Yes. All our products are educational mobile apps specializing in language learning. We focus on creating engaging, effective tools that combine artificial intelligence with proven language acquisition methods.
Can 003Lab help integrate AI into my existing business?
Currently, we focus on developing our own consumer language learning apps. However, we are open to partnership and collaboration opportunities. Please contact us for business inquiries.
How long does it take to see results?
Most learners notice significant improvement in listening and speaking within 4 to 8 weeks with consistent daily practice (15 to 30 minutes per day). Real conversational fluency typically comes after 3 to 6 months depending on your goals and effort.
Do you provide ongoing support?
Yes. We offer in-app support, regular content updates, and an active community where learners can connect and share progress. Premium users receive priority support.
Where is 003Lab based? Can I meet your team?
003Lab is a remote-first global team. We are passionate about languages and technology. While we do not offer regular office visits, we love connecting with our community through updates, events, and direct communication via the apps.