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About Kotoba Kards

Kotoba Kards does things differently. We offer grammar lessons with detailed breakdowns and dynamic examples tailored to your vocabulary knowledge, so you can finally make consistent progress. In-depth grammar lessons -------------------------- Our grammar lessons go beyond simple definitions. We explain subtle differences and common pitfalls that trip up learners, helping you understand how and when to use each grammar point. Lessons cover beginner through advanced topics, with special attention to the areas most learners struggle with. Personalized examples and quizzes -------------------------- Other apps use one-size-fits-all example sentences. We don’t. Kotoba Kards shows example sentences and grammar review questions that match what you’ve already learned. You’ll never get confused by an example that uses words you don’t know. Customizable Study Tracks -------------------------- Choose how you want to learn: - JLPT Track (N5 to N1) for serious test takers - Recommended Track, our fast-track path to unlock more content quickly - Choose Your Own Adventure Track, with topics like Travel, People, Music, Work, and more Adaptive Placement Test -------------------------- Not sure where to start? Take our adaptive placement test. It adjusts in real time to your skill level—getting easier or harder depending on how you're doing. Don't waste time reviewing content you’ve already mastered. Spaced repetition with Levels and Points -------------------------- Our review system uses spaced repetition to help you retain vocabulary and grammar long-term. Each item starts at Level 0 and earns points as you review it correctly. Earn enough points to level up. The higher the level, the less often it comes up for review. Items retire from review at Level 10. Three-part digital notecards -------------------------- Each vocabulary card starts with the kanji (if applicable), followed by the reading, and finally the English meaning. This layered reveal helps reinforce both reading and meaning while practicing kanji recognition. Lighthearted but professional tone -------------------------- We take grammar seriously—but not ourselves. Our lessons use a friendly, sometimes cheeky tone to help you stay engaged while learning complex material. If you're tired of dry, robotic explanations, you’ll find Kotoba Kards refreshingly human. Mascot-powered motivation -------------------------- Meet Kotoka, our friendly kitsune mascot. She may be cute, but Kotoba Kards is all business when it comes to helping you learn. Our level system and thoughtful design help you stay motivated and consistent. Whether you're preparing for the JLPT or just want to read manga without subtitles, Kotoba Kards gives you the tools to level up your Japanese—one note-kard at a time. Read the Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Read our Privacy Policy: https://kotobakards.com/privacy-policy/

What’s new

Version 1.0.8 · Updated September 1, 2026

- Save placement test progress - Improved kanji placement test flow - Simplified sign up page - Bug fix with furigana rendering in grammar lessons

App privacy

The developer, Kotoba Kards LLC, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Usage Data: Product Interaction, Advertising Data

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Usage Data: Advertising Data, Product Interaction
  • Identifiers: User ID, Device ID
  • Contact Info: Email Address, Name

Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, App Functionality

Alternatives to Kotoba Kards

Looking for apps like Kotoba Kards? Here are 6 similar apps on the App Store. The highest rated is Kadojo: Japanese Flashcards (5.0/5), and 5 of the 6 are free to download.

Kotoba Kards vs. alternatives
App Rating Price Last updated Compare
Kotoba Kards – Free September 1, 2026
Simply Japanese: Speak & Learn – Free Oct 17, 2026 Compare
JLPT Vocab Trainer – Free Mar 18, 2026 Compare
Kadojo: Japanese Flashcards 5.0 / 5 (1) Free Oct 25, 2026 Compare
KanaDaruma: Learn Japanese 5.0 / 5 (3) Free Sep 20, 2026 Compare
Recite Karuta: Hyakunin-isshu – 3.99 USD Sep 9, 2024 Compare
Floyd Co Schools – Free Jun 22, 2024 Compare

Compare Kotoba Kards with the top alternatives: ratings, updates, ASO score and keyword gaps →