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OneJPN: Japanese Mastery

OneJPN: Japanese Mastery

Ace the Japanese with Ease

14 ratings
4 reviews
📚 Education
Free
In-App Purchases

Details

  • Released
  • Updated
  • April 2, 2024
  • December 12, 2025

Features

Developer

iSGM
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OneJPN: Japanese Mastery screenshot #1 for iPhone
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OneJPN: Japanese Mastery screenshot #9 for iPhone
🧾$5.00 - $30.00
In-App Purchase↘︎
⭐4
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❓8 answered
FAQ↘︎
📦w/o updates
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About

Master Japanese language exams like JLPT and Tokutei Gino with engaging video lessons from V-tuber teachers and AI-powered practice questions. Prepare for your career goals in Japan with tailored content and study notes.

✓Video lessons by V-tuber teachers
✓AI-generated practice questions
✓JLPT and Tokutei Gino preparation
✓Comprehensive assessment test
✓Vocabulary flashcards
✓Study notes and tips for Japan
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What's New in OneJPN

3.2.0

December 12, 2025

- Bug fixes from versions 3.1.0 - Improve screen transitions - Some minor issues fixed

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Subscription plans

6 Months

Premium for 6 months.

$20.006 Months
How to cancel OneJPN subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

Very satisfy with new features and functions !

THE BESG APP IN LEARNING APP .
The best one is Learning Japanese with Cute&Beautiful Vtuber Sensei !
AlinaYathawAlinaYathaw

Good for JLPT exam preparation

Love the features and functions app provided.
Shwe Myint 123Shwe Myint 123

App review

Easy & convenient to use! Need more Levels asap.
AT_claireAT_claire

Awesome App

OneJPN - JLPT study app is an excellent tool for anyone preparing for the Japanese Language Proficiency Test. It offers a comprehensive study plan, user-friendly interface, clear explanations of grammar points and vocabulary, as well as practice tests and mock exams to track progress. The app focuses on real-life scenarios and practical language use, helping users build fluency and confidence. I highly recommend it to anyone looking for a reliable and effective study tool.
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Zi Sar K NarZi Sar K Nar

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FAQ

What is the learning methodology of OneJPN?

OneJPN uses a blended learning approach with engaging video lessons led by V-tuber teachers and AI-generated practice questions. It also offers personalized learning paths based on an initial assessment test to identify strengths and areas for improvement.

How does OneJPN track user progress?

The app provides a comprehensive assessment test to pinpoint proficiency levels and offers practice questions in both test and normal modes. This allows users to monitor their improvement in grammar, vocabulary, listening, and reading skills.

Does OneJPN offer any certifications?

While OneJPN focuses on preparing users for official exams like the JLPT and Tokutei Gino, it does not issue its own certifications. Success in the app's practice modules aims to build confidence for passing these external examinations.

What are the subscription plans for OneJPN?

OneJPN offers several subscription tiers: One Month for $5.00, 3 Months for $14.00, 6 Months for $20.00, and 1 Year for $30.00. These plans provide access to premium features and content.

Is OneJPN suitable for beginners?

Yes, OneJPN is designed to cater to learners preparing for exams like JLPT and Tokutei Gino, which often start from foundational levels. The comprehensive assessment and varied practice modes can help beginners gauge their starting point.

What devices does OneJPN support?

OneJPN is available on iPhone and iPod devices, allowing users to study Japanese on the go. The app is designed for mobile learning experiences.

How often is OneJPN updated?

The latest version of OneJPN is 3.2.0, and it was last updated on December 12, 2025. This indicates regular updates to improve features and content.

What is the age rating for OneJPN?

OneJPN has an age rating of 4+, making it suitable for a wide range of users. This rating suggests that the content is generally appropriate for younger learners as well as adults.