---
title: "OneJPN: Japanese Mastery - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Master the JLPT and Tokutei with One JPN: Japanese Mastery!   Stay motivated with engaging video-lessons by V-tuber teachers and improve your Japanese skills with AI-generated questions. Plus, prepare"
---

# OneJPN: Japanese Mastery — United States
> Ace the Japanese with Ease

![OneJPN App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/f3/c6/ca/f3c6ca38-e10a-5a5d-bdc8-c5e3f5f774f0/AppIcon-0-0-1x_U007emarketing-0-7-0-85-220.png/400x400bb.png)

**Developer:** [ICT STAR GROUP MYANMAR COMPANY](https://apptail.io/developer/ict-star-group-myanmar-company-nGqc)
**Category:** Education
**Rating:** 4.1/5 (21 ratings)
**Price:** Free
**Bundle ID:** com.isgm2.ilearner
**Store:** Apple App Store
**Country:** United States
**Version:** 3.2.0 (released 2025-12-12)
**Original Release:** 2024-04-02

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6476648372)
**AppTail Page:** [https://apptail.io/app/onejpn-japanese-mastery-BrGp/united-states](https://apptail.io/app/onejpn-japanese-mastery-BrGp/united-states)

## OneJPN Description
Master the JLPT and Tokutei with One JPN: Japanese Mastery! 

Stay motivated with engaging video-lessons by V-tuber teachers and improve your Japanese skills with AI-generated questions. Plus, prepare for Tokutei Gino with tailored content to support your career goals in Japan. Download the app now for free and conquer the JLPT and Tokutei Gino! 
 

Why One JPN: Japanese Mastery? 

1. Comprehensive Assessment Test: Wondering where you stand in your Japanese proficiency journey? Our assessment test will pinpoint your strengths and areas for improvement, setting the stage for personalized learning. 
2. Engaging Video-Lessons: Dive into dynamic video-lessons led by fluent V-tuber teachers who make learning Japanese fun and interactive. Whether you're preparing for JLPT or Tokutei, our engaging content will keep you hooked. 
3. Practice, Practice, Practice: Hone your skills in grammar, vocabulary, listening, and reading with practice questions in both test mode and normal mode for JLPT and Tokutei. 
4. AI-Generated JLPT Question Sets: Prepare with AI-generated questions designed to mimic the format and difficulty of the actual JLPT exam. 
5. Tokutei Vocabulary Flashcards: Learn essential Tokutei-specific vocabulary to boost your chances of success in the Tokutei Gino exams. 
6. Tokutei Study Notes: Access detailed study notes tailored to Tokutei Gino, covering critical topics and practical knowledge to ace the exam. 
7. Essential Tips for Japan Lifestyle: Get practical advice on navigating life in Japan, from cultural etiquette to daily living hacks, specifically designed for Tokutei applicants. 

Benefits of One JPN: 

Personalized Learning: Tailored assessment results and customizable practice options adapt to your unique learning needs and pace. 
Engagement and Motivation: Vibrant video-lessons and interactive activities keep you motivated to achieve your goals. 
Confidence Building: Comprehensive study materials and realistic practice questions ensure you're ready for the JLPT and Tokutei exams. 
 
Don’t just study Japanese—master it with One JPN: JLPT Mastery and Tokutei Preparation! 
Download now and start your journey to success in Japan.

## OneJPN Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/85/cf/eb/85cfeb4f-9018-ca94-e783-baae98180282/d59cfafc-9102-4044-bd6f-2b7c15fc8d5b_1.jpg/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/c5/db/3c/c5db3c05-a7f9-b1c2-c164-806e5140fff3/7f415c54-35f6-4d2c-8803-8b1b03e5af1f_2.jpg/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/cf/d4/0e/cfd40e99-ad8a-8c9c-0c93-839d86c91c80/e625ce38-5775-40b0-af60-fa464e1c9177_8.jpg/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/36/11/76/361176fb-b34c-fe78-bf7f-74dea56431c2/944fd017-b784-434b-a2c9-b8d53543c206_4.jpg/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/0d/88/62/0d8862da-2d0e-5043-8b5a-2faf2ea9b1b0/63bbb8a0-cfa2-40ed-aa90-b2ad6ded6272_New_3.jpg/1284x2778.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/53/a7/56/53a7561d-ed64-a0fa-1b1b-9df56e151f74/iPhone_6.5.jpg/1284x2778.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/7d/29/fe/7d29fe05-de0b-5606-bfad-24fe73f83007/ffd19470-531f-431a-9762-463e872dee3e_iSGM__U00281_U0029.jpg/1284x2778.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ab/49/23/ab492379-40fa-ea46-026d-e77ef12a87b9/df8c49f5-5d78-40a7-928b-6f28db62b3e4_New_5.jpg/1284x2778.png)
- [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/fa/90/cd/fa90cd18-d636-1525-17e8-5a45c6c4223c/b3a53256-6071-4487-b62e-316b67e0daa4_New_6.jpg/1284x2778.png)

## OneJPN Rating Breakdown in United States
- 5 stars: 14 (67%)
- 4 stars: 1 (5%)
- 3 stars: 3 (14%)
- 2 stars: 1 (5%)
- 1 stars: 2 (10%)

## OneJPN Reviews in United States

### ***** "Very satisfy with new features and functions !"
THE BESG APP IN LEARNING APP . 
The best one is Learning Japanese with Cute&Beautiful Vtuber Sensei !
-- AlinaYathaw, 2024-07-05

### ***** "Good for JLPT exam preparation"
Love the features and functions app provided.
-- Shwe Myint 123, 2024-05-08

### ***-- "App review"
Easy & convenient to use! Need more Levels asap.
-- AT_claire, 2024-05-07

[View all OneJPN reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)



## OneJPN Discovered Keywords
- jlpt japanese mame
- onejpn
- japanese mastery


## OneJPN Available In
- [United States](https://apptail.io/app/onejpn-japanese-mastery-BrGp/united-states)
- [Japan](https://apptail.io/app/onejpn-japanese-mastery-BrGp/japan)
- [Thailand](https://apptail.io/app/onejpn-japanese-mastery-BrGp/thailand)
- [Philippines](https://apptail.io/app/onejpn-japanese-mastery-BrGp/philippines)
- [Colombia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/colombia)
- [Singapore](https://apptail.io/app/onejpn-japanese-mastery-BrGp/singapore)
- [Belgium](https://apptail.io/app/onejpn-japanese-mastery-BrGp/belgium)
- [Bulgaria](https://apptail.io/app/onejpn-japanese-mastery-BrGp/bulgaria)
- [Bahrain](https://apptail.io/app/onejpn-japanese-mastery-BrGp/bahrain)
- [Brunei](https://apptail.io/app/onejpn-japanese-mastery-BrGp/brunei)
- [Brazil](https://apptail.io/app/onejpn-japanese-mastery-BrGp/brazil)
- [Belarus](https://apptail.io/app/onejpn-japanese-mastery-BrGp/belarus)
- [Belize](https://apptail.io/app/onejpn-japanese-mastery-BrGp/belize)
- [Canada](https://apptail.io/app/onejpn-japanese-mastery-BrGp/canada)
- [Switzerland](https://apptail.io/app/onejpn-japanese-mastery-BrGp/switzerland)
- [Chile](https://apptail.io/app/onejpn-japanese-mastery-BrGp/chile)
- [China](https://apptail.io/app/onejpn-japanese-mastery-BrGp/china)
- [Cyprus](https://apptail.io/app/onejpn-japanese-mastery-BrGp/cyprus)
- [Czechia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/czechia)
- [Germany](https://apptail.io/app/onejpn-japanese-mastery-BrGp/germany)
- [Denmark](https://apptail.io/app/onejpn-japanese-mastery-BrGp/denmark)
- [Dominican Republic](https://apptail.io/app/onejpn-japanese-mastery-BrGp/dominican-republic)
- [Algeria](https://apptail.io/app/onejpn-japanese-mastery-BrGp/algeria)
- [Ecuador](https://apptail.io/app/onejpn-japanese-mastery-BrGp/ecuador)
- [Estonia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/estonia)
- [Egypt](https://apptail.io/app/onejpn-japanese-mastery-BrGp/egypt)
- [Spain](https://apptail.io/app/onejpn-japanese-mastery-BrGp/spain)
- [Finland](https://apptail.io/app/onejpn-japanese-mastery-BrGp/finland)
- [France](https://apptail.io/app/onejpn-japanese-mastery-BrGp/france)
- [United Kingdom](https://apptail.io/app/onejpn-japanese-mastery-BrGp/united-kingdom)
- [Greece](https://apptail.io/app/onejpn-japanese-mastery-BrGp/greece)
- [Hong Kong SAR China](https://apptail.io/app/onejpn-japanese-mastery-BrGp/hong-kong)
- [Croatia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/croatia)
- [Hungary](https://apptail.io/app/onejpn-japanese-mastery-BrGp/hungary)
- [Indonesia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/indonesia)
- [Ireland](https://apptail.io/app/onejpn-japanese-mastery-BrGp/ireland)
- [Israel](https://apptail.io/app/onejpn-japanese-mastery-BrGp/israel)
- [India](https://apptail.io/app/onejpn-japanese-mastery-BrGp/india)
- [Iceland](https://apptail.io/app/onejpn-japanese-mastery-BrGp/iceland)
- [Italy](https://apptail.io/app/onejpn-japanese-mastery-BrGp/italy)
- [Jordan](https://apptail.io/app/onejpn-japanese-mastery-BrGp/jordan)
- [South Korea](https://apptail.io/app/onejpn-japanese-mastery-BrGp/south-korea)
- [Kuwait](https://apptail.io/app/onejpn-japanese-mastery-BrGp/kuwait)
- [Cayman Islands](https://apptail.io/app/onejpn-japanese-mastery-BrGp/cayman-islands)
- [Kazakhstan](https://apptail.io/app/onejpn-japanese-mastery-BrGp/kazakhstan)
- [Lebanon](https://apptail.io/app/onejpn-japanese-mastery-BrGp/lebanon)
- [Sri Lanka](https://apptail.io/app/onejpn-japanese-mastery-BrGp/sri-lanka)
- [Lithuania](https://apptail.io/app/onejpn-japanese-mastery-BrGp/lithuania)
- [Luxembourg](https://apptail.io/app/onejpn-japanese-mastery-BrGp/luxembourg)
- [Latvia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/latvia)
- [Madagascar](https://apptail.io/app/onejpn-japanese-mastery-BrGp/madagascar)
- [North Macedonia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/north-macedonia)
- [Malta](https://apptail.io/app/onejpn-japanese-mastery-BrGp/malta)
- [Mexico](https://apptail.io/app/onejpn-japanese-mastery-BrGp/mexico)
- [Malaysia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/malaysia)
- [Namibia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/namibia)
- [Nigeria](https://apptail.io/app/onejpn-japanese-mastery-BrGp/nigeria)
- [Netherlands](https://apptail.io/app/onejpn-japanese-mastery-BrGp/netherlands)
- [Norway](https://apptail.io/app/onejpn-japanese-mastery-BrGp/norway)
- [Nepal](https://apptail.io/app/onejpn-japanese-mastery-BrGp/nepal)
- [New Zealand](https://apptail.io/app/onejpn-japanese-mastery-BrGp/new-zealand)
- [Oman](https://apptail.io/app/onejpn-japanese-mastery-BrGp/oman)
- [Peru](https://apptail.io/app/onejpn-japanese-mastery-BrGp/peru)
- [Pakistan](https://apptail.io/app/onejpn-japanese-mastery-BrGp/pakistan)
- [Poland](https://apptail.io/app/onejpn-japanese-mastery-BrGp/poland)
- [Portugal](https://apptail.io/app/onejpn-japanese-mastery-BrGp/portugal)
- [Romania](https://apptail.io/app/onejpn-japanese-mastery-BrGp/romania)
- [Russia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/russia)
- [Saudi Arabia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/saudi-arabia)
- [Sweden](https://apptail.io/app/onejpn-japanese-mastery-BrGp/sweden)
- [Slovenia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/slovenia)
- [Slovakia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/slovakia)
- [Senegal](https://apptail.io/app/onejpn-japanese-mastery-BrGp/senegal)
- [Tunisia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/tunisia)
- [Türkiye](https://apptail.io/app/onejpn-japanese-mastery-BrGp/turkey)
- [Taiwan](https://apptail.io/app/onejpn-japanese-mastery-BrGp/taiwan)
- [Ukraine](https://apptail.io/app/onejpn-japanese-mastery-BrGp/ukraine)
- [Uzbekistan](https://apptail.io/app/onejpn-japanese-mastery-BrGp/uzbekistan)
- [Vietnam](https://apptail.io/app/onejpn-japanese-mastery-BrGp/vietnam)
- [United Arab Emirates](https://apptail.io/app/onejpn-japanese-mastery-BrGp/united-arab-emirates)
- [South Africa](https://apptail.io/app/onejpn-japanese-mastery-BrGp/south-africa)
- [Armenia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/armenia)
- [Argentina](https://apptail.io/app/onejpn-japanese-mastery-BrGp/argentina)
- [Austria](https://apptail.io/app/onejpn-japanese-mastery-BrGp/austria)
- [Australia](https://apptail.io/app/onejpn-japanese-mastery-BrGp/australia)
- [Azerbaijan](https://apptail.io/app/onejpn-japanese-mastery-BrGp/azerbaijan)

---

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