About this app
◆ 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, 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. ▶ 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, and seasonal customs. Each card includes fun trivia to spark curiosity and deepen understanding. ▶ Key Features — 1,000+ flashcards with vivid visuals and natural Japanese audio — 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 · 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 — Anyone who loves Japanese culture and wants to explore it through words Start your Japanese word adventure today!
Latest release
What’s New
- Added “Today’s Quiz,” which selects a category based on your learning progress. - “This Week’s Pick” now makes it easier to find what to learn next. - You can now resume an unfinished category where you left off. - Added a gentle “Needs Practice” badge to words you answered incorrectly. - Added 10 familiar Japanese onomatopoeic words, including “ピヨピヨ,” “すやすや,” and “ぎゅっと.” - Improved the design of the Learn, Quiz, and Premium screens. - Improved multilingual support and fixed minor issues. Thank you for continuing to enjoy Kotoba Tanken!
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 29, 2026 · 8:14 PM Free