Still confused by は、が、を、に、で?
Master Japanese particles through focused practice with instant feedback.
One-time purchase • No hidden costs • Lifetime access
私___学生です。
I am a student.
You know the particles exist, but choosing between は and が still feels like guessing.
You've read the explanations dozens of times, but it doesn't stick without practice.
You need focused practice on what matters most, not another 500-lesson course.
ParticleQuest doesn't try to teach you everything. It focuses on the one thing that trips up most learners: particles.
See why an answer is correct immediately after each question
Wrong answers automatically return for review until you master them
Watch your mastery grow across lessons and review sessions
Focused tools designed for real learning, not endless scrolling.
Progress through carefully designed lessons that build on each other, from basic は and が to complex particle combinations.
Get immediate feedback with clear explanations for every answer. Understand not just what's correct, but why.
Mistakes automatically return for review. Focus your time on what you haven't mastered yet.
Study anywhere, anytime. No internet required after download. Perfect for commutes and travel.
See your improvement with detailed statistics. Track completed lessons, accuracy rates, and mastery levels.
Zero data collection. No tracking. No ads. Your learning data stays on your device. Always.
Work through structured lessons with real sentence examples. Choose the correct particle for each context.
Get instant feedback with clear explanations. Understand why each answer is correct or incorrect.
Review mistakes until they become strengths. Track your progress and watch your confidence grow.
Focus on the core particles that matter most
Plus common contrasts like は vs が and を vs に
"Finally! An app that focuses on what I actually struggle with. The instant feedback is a game-changer."
"I've tried so many apps, but this is the only one that made particles click for me. Worth every penny."
"Love that it works offline and doesn't track me. Simple, focused, and effective."
ParticleQuest is perfect for beginner to intermediate learners (JLPT N5-N3). If you're learning Japanese and struggle with particles, this app is for you.
One-time purchase. Pay once, own it forever. No hidden costs, no recurring fees, no surprises.
Yes! After downloading the app, you can study anywhere without an internet connection. Perfect for commutes, flights, or anywhere with spotty wifi.
Absolutely not. We collect zero data. No analytics, no tracking, no ads. Your learning progress stays on your device. Read our Privacy Policy for details.
Most apps try to teach everything. ParticleQuest focuses exclusively on particles—the grammar point that confuses learners most. This focused approach means faster, deeper learning.
Yes. Apple offers refunds within 14 days of purchase if you're not satisfied. Contact Apple Support directly to request a refund.
Join thousands of learners who've stopped guessing and started mastering.
Download on App StoreOne-time purchase • Lifetime access • 14-day refund available