You downloaded it for your kid. You kept it for yourself.

A rescued stray cat became the whole family's English teacher.

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Words

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Locations

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Trophies

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One account, two modes — switch between Child Mode and Parent Mode anytime.

뚱냥쌤 - 행복한 고양이 캐릭터

STORY

It started on a rainy evening

A kitten in the rain
STORY 01

A kitten in the rain

On a rainy evening, a child spotted a small kitten shivering on the street. They couldn't walk past.

The first meal at home
STORY 02

The first meal at home

A warm bowl of food, a dry place to sleep. From that day on, the kitten became part of the family. And quietly decided to repay the kindness.

Studying while the family sleeps
STORY 03

Studying while the family sleeps

Every night, while the family slept, the kitten studied English in secret — preparing to become their teacher.

FEATURES

Your whole family learns together

We rescued a stray cat — and it became your family's English teacher

FEATURES

Put the Words in Order!

See a sentence in Korean, arrange the English words in the right order. Learn sentence structure through play.

단어 순서 배열 연습 화면

FEATURES

Every Sound, Scored

AI scores your child's pronunciation in real time. See exactly which sounds need work, down to individual phonemes.

AI 발음 평가 화면

FEATURES

Walk & Discover Words

Explore 12 locations — parks, streets, even space. Spot objects, learn their English names, and fill your collection.

산책 모드 화면

FEATURES

Chat with Chubby Cat

Hold the mic and speak English. Chubby Cat Teacher chats back at your child's level.

뚱냥쌤 AI 회화 화면

FEATURES

Collect Them All!

Every word discovered on walks goes into a themed collection. Space, park, ocean... can you complete them all?

테마별 단어 도감 화면

FEATURES

The Whole Family Learns

One subscription, separate profiles for parent and child. Send gifts and encouragement to each other.

가족 모드 화면

FEATURES

Daily Paw Prints

Study every day, earn a paw print. Keep a 7-day streak going for 100 bonus treats!

학습 연속 출석 캘린더 화면

FEATURES

Trophies & Treats

Earn trophies and points as you learn. Spend points on snacks and toys for your cat teacher.

트로피 수집 화면

HOW IT WORKS

Getting started is simple

1
Lv1 아기 뚱냥쌤

Meet your cat

A tiny Lv1 kitten is waiting for you. Give them a name and begin your story together.

2
가르치는 뚱냥쌤

Learn English together

Pronunciation drills, neighborhood walks, AI conversations. A little every day — for both kids and parents.

3
졸업하는 뚱냥쌤

Watch your family grow

Your child's English improves. The cat levels up. And before long, English just becomes part of how your family talks.

FOR PARENTS

Safe to hand over, easy to trust

Built to be safe for kids and transparent for parents.

Parent Dashboard

See what your child studied today, how long they practiced, and which milestones they hit — all in one view. Streak calendar included.

Zero Ads

No banners. No pop-ups. No rewarded ads. Nothing competing for your child's attention.

Child Privacy (COPPA)

We follow COPPA standards for children under 13. Your child's data is used only to improve their learning experience.

Progress Tracking

Level-by-level progress, pronunciation improvement history, and streak tracking. Watch your child grow in numbers.

PRICING

One plan for the whole family

Child Mode and Parent Mode are both included — no extra charge.

Monthly

₩9,900/ month
  • Unlimited AI pronunciation practice
  • Cat care & growth (Lv1–Lv10)
  • 12-location walk & AI chat
  • Child Mode + Parent Mode
Save 42%

Annual

₩69,000/ year
  • Unlimited AI pronunciation practice
  • Cat care & growth (Lv1–Lv10)
  • 12-location walk & AI chat
  • Child Mode + Parent Mode
  • 42% less than monthly

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