Kotoba Tanken: Japanese Words

◆ Discover Japanese through play — for curious kids and beginners of all ages!

Kotoba Tanken ("Word Explorer" in Japanese) is a beautifully designed Japanese vocabulary app packed with 1,000+ flashcards covering everyday objects, animals, nature, Japanese culture, onomatopoeia, and much more.

Whether your child is just starting to explore Japanese, or you're an adult beginner looking for a fun and stress-free way to build vocabulary, Kotoba Tanken makes learning feel like an adventure.

▶ How It Works

Each flashcard features a vivid visual, the Japanese word, natural Japanese audio, and translations in English, Chinese, Korean, and Vietnamese — so the whole family can learn together.

Choose from two learning modes:

— Auto-play mode — Sit back and listen as cards flip automatically. Great for passive learning.
— Manual swipe mode — Go at your own pace. Perfect for focused study or parent-child learning time.

Tap any card to hear the word in natural Japanese audio.

▶ Learn Japanese Sounds and Onomatopoeia

Japanese is full of expressive sound words and mimetic words, such as animal sounds, nature sounds, feelings, movements, and everyday actions.

Kotoba Tanken includes fun onomatopoeia cards that help learners discover words like sparkling, fluffy, crunchy, splashy, and more — all through cute visuals and natural Japanese audio.

It’s a playful way to understand not only Japanese vocabulary, but also the rich, expressive feeling of the language.

▶ A Window into Japanese Culture

Kotoba Tanken isn't just about words — it's about understanding Japan. Explore categories like Japanese festivals, traditional tools, famous landmarks, seasonal customs, and expressive Japanese words. Each card includes fun trivia to spark curiosity and deepen understanding.

▶ Key Features

— 1,000+ flashcards with vivid visuals and natural Japanese audio
— Japanese onomatopoeia cards for sounds, feelings, movements, and everyday actions
— 2 learning modes: auto-play & manual swipe
— Translations in English, Chinese, Korean & Vietnamese shown simultaneously
— Hiragana & Katakana cards with stroke order animations
— Fun trivia on every card
— Create your own custom flashcards
— 100% ad-free — safe and distraction-free for kids
— Regular updates with new categories

▶ Categories Include

Animals · Birds · Sea creatures · Insects · Plants · Vegetables · Fruits · Vehicles · Colors (traditional Japanese names) · Numbers · Directions · Japanese lifestyle tools · Japanese festivals · Musical instruments · Sports & play · Kitchen tools · Body parts · Emotions · Actions · Greetings · Japanese landmarks · World landmarks · National flags · Hiragana · Katakana · Japanese onomatopoeia · and more!

▶ Who Is Kotoba Tanken For?

— Kids aged 3-8 whose parents want to introduce Japanese at home
— Families living in Japan learning the language together
— Beginners who want a gentle, visual introduction to Japanese vocabulary
— Learners who want to enjoy Japanese sounds, expressions, and culture
— Anyone who loves Japanese culture and wants to explore it through words

Start your Japanese word adventure today!