Kann
Master Japanese vocabulary tailored to your interests
What is Kann? Complete Overview
Kann is an innovative Japanese vocabulary learning app designed specifically for intermediate to advanced learners who want to focus on specialized vocabulary that matters to them. Unlike traditional textbook approaches, Kann allows users to select from a wide array of topics and dictionaries, ranging from business terminology to daily life expressions and even slang. The app emphasizes understanding kanji through their radicals and building deeper comprehension of character relationships. With its clean UI and focused approach, Kann helps learners efficiently expand their Japanese vocabulary in areas they actually care about. The app works best on iOS 18.0+ and includes foundational elements like hiragana and katakana for those needing refreshers.
Kann Interface & Screenshots

Kann Official screenshot of the tool interface
What Can Kann Do? Key Features
Specialized Topic Selection
Choose from diverse vocabulary dictionaries tailored to specific interests and needs, moving beyond standard textbook content. Options include business terminology, daily life expressions, nightlife slang, and more (some available via in-app purchases).
Radical-Focused Learning
Understand kanji characters through their building blocks - the radicals. This approach helps learners grasp deeper meanings and recognize patterns across different characters, making vocabulary acquisition more intuitive.
Related Word Discovery
Explore connections between kanji and related vocabulary words, building a network of associated terms that reinforce each other for more natural language acquisition.
Basic Refresher Content
Includes hiragana and katakana review materials, making it accessible even for learners who need to refresh their foundations while focusing primarily on more advanced content.
User-Centric Design
Features a clean, intuitive interface praised by users for its excellent UX and typography in both Japanese and English, making the learning process more enjoyable and efficient.
Best Kann Use Cases & Applications
Business Professional
A professional working with Japanese clients can focus specifically on business terminology and formal communication vocabulary, skipping irrelevant casual expressions.
Manga/Anime Enthusiast
Fans can learn specialized vocabulary and slang commonly found in Japanese pop culture, helping them understand media without formal textbook Japanese.
Advanced Student
Japanese language students who have mastered basics can use Kann to efficiently expand into specialized academic or technical vocabulary relevant to their field of study.
How to Use Kann: Step-by-Step Guide
Download the app from either the Apple App Store or Google Play Store, depending on your device.
Select your current proficiency level and areas of interest to customize your learning path.
Choose from available dictionaries or topics that match your learning goals, with options for additional specialized dictionaries via in-app purchases.
Begin with radical study to understand kanji building blocks, then progress to full characters and related vocabulary.
Regularly practice using the app's interface to reinforce learning and track your progress through specialized vocabulary.
Kann Pros and Cons: Honest Review
Pros
Considerations
Is Kann Worth It? FAQ & Reviews
Kann is a Japanese vocabulary learning app that focuses on teaching specialized vocabulary through understanding kanji radicals and character relationships, tailored to your personal interests.
Primarily designed for intermediate to advanced Japanese learners who want to expand their vocabulary in specific areas beyond basic textbook content.
Yes, while targeting advanced learners, Kann includes basic refreshers for hiragana and katakana, making it accessible for motivated beginners who want a more focused approach.
By focusing on vocabulary you actually care about and teaching through radical understanding, Kann makes vocabulary acquisition more efficient and relevant to your needs.