Joshi: Japanese Particles
Grammar drills for the JLPT
About
Master Japanese particles through interactive drills. This app helps you internalize particle usage by presenting natural sentences with missing particles and providing immediate feedback on your choices. It focuses on building intuitive recognition rather than just memorizing rules.
What's New in Joshi
1.5.0
October 6, 2026
AI explains and checks particles The new Sentences tab takes a sentence from a manga or subtitles, typed or scanned from a photo, and shows what each particle does, with the role from this app. Or write your own and see which particles are right. Five requests a month are free; more come with the optional AI subscription. Explanations after a mistake, reread Every “why not” line you see after a wrong answer was read against all its questions, and dozens were rewritten. Questions where a second particle also made a correct sentence were fixed. A mistake comes back in the same session Get a question wrong and the same role returns two questions later, once. The repeat doesn't count towards your daily goal. “I don't know” asks first A tap on “I don't know” asks for confirmation, so a stray tap doesn't cost you the question. Your weakest roles say how sure they are A role with fewer than 8 answers shows “3 of 8 questions”: a low number may only mean little practice so far. Each bar says what it measures On a level's screen the role name sits above its bars: placing the particle and naming the role. Neither number is an average of the two.
MoreSubscriptions & In-App Purchases
$2.99
Joshi Premium
One purchase. Levels 3-5, weak pairs, all questions.
Developer apps
FAQ
How does Joshi teach Japanese particles?
Joshi uses interactive sentence drills where you select the correct particle. It provides immediate feedback, explaining why your choice is right or wrong, and highlights common confusion pairs to help you internalize usage.
What particles does Joshi cover?
Joshi covers twelve particles including は, が, を, に, で, へ, と, も, の, から, まで, and や, across thirty-eight distinct uses. This includes both common and less obvious applications of these particles.
Is Joshi suitable for beginners?
Yes, Joshi is designed to help learners move from understanding rules to intuitive application. It offers furigana support for kanji and optional English translations, making it accessible for those new to Japanese.
Does Joshi have ads?
No, Joshi does not contain advertisements. The app is free to download and use with optional in-app purchases to unlock all content.
How does Joshi track progress?
Progress in Joshi is measured by mastery based on evidence, not just the number of questions answered. It features five levels, thirteen confusion pairs, and tracks mastery for each particle and confusion pair individually.
What is the pricing for Joshi?
The first two levels of Joshi, covering core particles like は, が, を, に, で, and へ, are free. A one-time purchase unlocks levels 3-5, weak-pair practice, and the full question pool, with no subscription required.
Can I use Joshi offline?
Yes, Joshi can be used offline. The app does not require a network connection for its core functionality, including listening to audio readings of sentences.
What makes Joshi's practice different?
Joshi focuses on 'confusion pairs' – specific uses of particles that are frequently mistaken for each other. It creates dedicated practice modes for these weak pairs, which is a unique approach to mastering tricky grammar points.
