Master kanji, vocabulary, and grammar with adaptive challenges designed around the JLPT framework. Track your progress, build streaks, and truly own the language.
Test your knowledge with vocabulary and grammar challenges tailored to your JLPT level. Type readings and meanings, fill in grammar blanks, and get instant feedback — all in focused 20-question sessions.
Ranggo combines spaced repetition, JLPT-aligned content, and real-time feedback into one focused mobile experience.
Type readings and meanings for kanji and vocabulary. Partial credit scoring rewards partial knowledge and builds confidence gradually.
Fill-in-the-blank grammar questions with hiragana tooltips on every token. Multiple-choice format with rich explanations and translations.
Every question contributes to a per-unit mastery score. Watch your knowledge of 字 and 語 grow over time with real data.
GitHub-style activity heatmap shows your learning consistency over the past year. Streaks, active days, and session counts at a glance.
Browse and search all kanji, vocabulary, and grammar across all JLPT levels. Filter, sort, and deep-dive into any character or word.
Review every past challenge session with scores, duration, and status. Identify patterns and revisit completed sessions anytime.
A clear, repeatable practice loop that builds lasting recall rather than short-term cramming.
Select your target JLPT level from N5 to N1. Ranggo adapts content to your current goal.
Begin vocabulary or grammar challenges. Sessions auto-save so you can pause and resume anytime.
Submit answers, review explanations, and see correct forms immediately after each question.
Complete sessions to unlock detailed score breakdowns. Watch your mastery ratings climb over time.
Whether you're just starting with N5 hiragana basics or preparing for N1 business Japanese, Ranggo has the content you need.
Master thousands of kanji with readings, meanings, and usage examples
Expand your vocabulary with thousands of words and their conjugations
Master grammar with fill-in-the-blank sentences and detailed explanations
Questions adapt based on your mastery score history
Your activity heatmap shows a full year of study patterns. Streaks, active days, and total sessions — all in one view.
Ready to Begin?
Open the app and begin your first challenge in under a minute. No credit card. No subscription to start.
