Level Up YourJapanese
Tired of traditional Japanese learning apps? Start making actual progress with Nihondex!
Unique Features
Master the Basics
- • Interactive Hiragana lessons
- • Katakana writing practice
- • Writing accuracy feedback
- • Focus system for retention
Island Paradise
- • Build your floating island
- • Unlock decorations
- • Share with community
- • Track achievements
Grammar Mastery
- • JLPT N5 to N1 grammar
- • Interactive exercises
- • Real-world examples
- • Progress tracking
Smart Vocabulary System
- • Spaced repetition learning
- • JLPT level organization
- • Example sentences
- • Progress tracking
Conjugation Drill
- • All verb forms and tenses
- • Practice with real examples
- • Detailed progress tracking
- • Difficulty progression system
Reading Practice
- • Progressive difficulty
- • JLPT aligned content
- • Comprehension quizzes
- • Vocabulary highlights
Track Your Progress
Our Users Love Nihondex
Join more than 5,000 learners who are mastering Japanese with Nihondex's comprehensive features.
Paul R.
3D artist
"Planning a trip to Japan and Nihondex is preparing me perfectly. The practical vocabulary and grammar lessons are exactly what I need. Love the progress tracking!"
Milena S.
Graduate Student
"The conjugation practice is amazing! I struggled with this in other apps, but Nihondex makes it intuitive 😄"
Ryan T.
Game Developer
"The island building feature is genius! It makes learning feel like a game. The JLPT progress tracking helps me stay focused on my goals."
Noe T.
Computer Science Student
"The SRS system is great and the island building feature keep me motivated. Best Japanese learning app I've tried so far!"
Mateo F.
University Student
"I've been learning Japanese for years and tried many apps. This one is really good with its focus on vocabulary, conjugation and grammar. The interface could be better but the content is excellent."
Damien M.
Software Developer
"The statistics and progress tracking is nice, but I wish there was more kanji practice. Still, it's helping me learn Japanese like leveling up in a game!"
Alex R.
Business Professional
"I needed to learn Japanese for work and Nihondex made it so much easier. The structured approach and daily reviews help me stay consistent. Highly recommend!"
Jarred S.
Qualified personal trainer
"Nihondex is honestly the best app I’ve used for learning Japanese. It’s helped me progress way faster than anything else. The creator is super responsive to feature requests and bug reports, and things get fixed really quickly. It’s still a newer app, so there are the occasional hiccups, but they’re always resolved fast. Overall, I’m seriously impressed with how the whole system works."
Alexandre K.
Software Developer
"I started learning Japanese to understand anime better, and Nihondex has been perfect for that! The vocabulary is relevant and the SRS helps me remember everything."
Paul R.
3D artist
"Planning a trip to Japan and Nihondex is preparing me perfectly. The practical vocabulary and grammar lessons are exactly what I need. Love the progress tracking!"
Milena S.
Graduate Student
"The conjugation practice is amazing! I struggled with this in other apps, but Nihondex makes it intuitive 😄"
Ryan T.
Game Developer
"The island building feature is genius! It makes learning feel like a game. The JLPT progress tracking helps me stay focused on my goals."
Noe T.
Computer Science Student
"The SRS system is great and the island building feature keep me motivated. Best Japanese learning app I've tried so far!"
Mateo F.
University Student
"I've been learning Japanese for years and tried many apps. This one is really good with its focus on vocabulary, conjugation and grammar. The interface could be better but the content is excellent."
Damien M.
Software Developer
"The statistics and progress tracking is nice, but I wish there was more kanji practice. Still, it's helping me learn Japanese like leveling up in a game!"
Frequently Asked Questions
Got questions? We've got answers! Here are some of the most common questions we receive.
Nihondex combines everything you need to master Japanese in one place. We feature a Spaced Repetition System (SRS) for efficient vocabulary and grammar retention, complete JLPT content from N5 to N1, interactive island building that gamifies your learning journey, comprehensive progress tracking for kanas, vocabulary, grammar, and kanji, fun practice games, and a learning roadmap that guides you from beginner to advanced. Built by Japanese learners, for Japanese learners. We've tried many tools and created Nihondex to include every feature we wished existed.
Yes! Nihondex works great on mobile devices as a PWA (Progressive Web App). On iOS (iPhone/iPad), you can use Safari's "Add to Home Screen" feature. On Android, you can install directly from Chrome or your browser. Desktop users can install from Chrome, Edge, or other modern browsers. Once installed, Nihondex works like a native app with offline capabilities. Native iOS and Android apps are also in development!
View Installation InstructionsAbsolutely! Nihondex is perfect for complete beginners. When you sign up, you'll go through an onboarding process that assesses your current Japanese level, sets up your personalized learning goals, guides you to start with kana (hiragana and katakana) if you're a beginner, and provides a learning roadmap that shows your path from basics to advanced. The app starts you with foundational kana practice and gradually introduces vocabulary, grammar, and kanji as you progress. You can learn at your own pace with content from JLPT N5 (beginner) all the way to N1 (advanced).
We offer multiple ways to get help and support. You can email us at [email protected] for direct support, use the bug report page to report issues or request features, join our Discord community to connect with other learners, or follow us on social media for updates. We take every issue seriously and respond as quickly as possible. You can also find helpful resources on our blog at blog.nihondex.com.
Visit Contact PageYes, our Terms of Service outline important details about subscriptions, service availability, and refund policies. We recommend reviewing them before making a purchase.
The 7-day free trial gives you complete access to all Premium features including unlimited vocabulary, grammar, kanji, and kana learning, unlimited SRS reviews and practice sessions, full JLPT content (N5 to N1), island building and customization, all premium minigames and practice modes, and advanced progress tracking and statistics. No credit card required to start. You can explore everything Nihondex has to offer risk-free!
After your 7-day trial ends, you'll have two options: • Subscribe to Premium or Lifetime to keep unlimited access to all features including JLPT content, island building, SRS reviews, and unlimited learning. • Continue with a free account that has daily limits: - 5 words per day - 2 grammar points per day - 20 kanas per day - 20 reviews per day - 20 conjugations per day Free users also have restricted access to: - Premium minigames (Kanji Practice, Numbers Practice, Reading Practice, Sentence Builder, and Story Builder) - Island building and customization (view-only access) - Advanced progress tracking features like detailed statistics charts and knowledge distribution analytics You can subscribe at any time to regain full access. No credit card is required during the trial, and you won't be charged unless you choose to subscribe.
Yes! The Lifetime plan is a one-time payment that gives you permanent access to all current and future Premium features and updates, an exclusive lifetime member badge, exclusive island items only available to lifetime members, and no recurring charges ever. Your lifetime access is valid for the duration of Nihondex service operation. While we are committed to providing long-term service, lifetime access holders acknowledge that their access is valid only for as long as Nihondex continues to operate. All plans are subject to our Terms of Service.
There are many ways to support Nihondex: share it with friends who are learning Japanese, leave a review when native apps launch on app stores, join our Discord community and help other learners, subscribe to Premium or Lifetime to support development, or report bugs and suggest features to help us improve. We're a small team, and every bit of support helps us continue building and improving Nihondex!