Joshi — Japanese Particles

Jakub Dwojak · Education

Free

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Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Oct 5, 2026
New version 1.4.0 → 1.5.0

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.

Sep 28, 2026
New version 1.3.0 → 1.4.0
Sep 15, 2026
New version 1.2.0 → 1.3.0
Sep 14, 2026
New version 1.1.6 → 1.2.0
Sep 10, 2026
New version 1.1.5 → 1.1.6
Sep 8, 2026
New version 1.1.4 → 1.1.5
Sep 7, 2026
New version 1.1.3 → 1.1.4
Sep 6, 2026
New version 1.1.2 → 1.1.3
Sep 5, 2026
New version 1.1.1 → 1.1.2
Sep 2, 2026
Rating ★ 5 → 0
Sep 2, 2026
New version 1.1.0 → 1.1.1
Sep 1, 2026
Rating ★ 0 → 5
Aug 30, 2026
New version 1.0.3 → 1.1.0

Price & rating history · US

Reconstructed from the listing changes AppTracker has observed in this storefront. A field is charted once it has changed more than once, and each line starts at the value it moved from.

Average rating history over the observed period. 0 2 4 Aug 29 Sep 10 Sep 22 Oct 4 Oct 16

Average rating · ★ 0.00 now · 2 changes on record

Screenshots

About

Japanese particles are not a list to memorise. Each one changes what the sentence is about. You can know that に marks a destination and で marks where an action happens, and still hesitate every time. Understanding a rule and reaching for it without thinking are two different skills, and only the second one gets you through a sentence. HOW IT WORKS A natural Japanese sentence with one particle missing. Four options. Tap one. 学校_勉強します。 に で を へ Then, immediately: the sentence with the particle in place, what that particle is doing there, and – if you picked a particle people genuinely confuse it with – why that one does not fit here. WHAT YOU PRACTICE Twelve particles across thirty-eight distinct uses. は, が and を and the roles they play in a sentence. に and で and the line between where something is and where something happens. へ, と, も, の, から, まで and や. Then the same particles doing less obvious work: を with a route you walk along, を with a place you leave, に with the purpose of going somewhere, で with a cause, と closing a quotation, の turning a whole clause into a noun. THE PART THAT IS DIFFERENT Most apps can tell you that に is at 61%. That number does not tell you what to do. Joshi tracks confusion pairs – two uses that get mistaken for each other – as a thing in their own right. So instead of "practice more に", it can say に ↔ で needs work, and then serve you the sentences where one is right and the other is tempting. Weak pairs are their own practice mode. WHY THE WRONG ANSWERS ARE FAIR A wrong option has to be genuinely wrong in that sentence. A particle that would produce correct Japanese with a different meaning is not a distractor – it is a second answer, and a question with two answers teaches you something untrue. That rule cost this app a confusion pair and a number of otherwise good sentences, and it is the reason you can trust the red cross when you see one. READINGS AND HINTS Furigana over the kanji, so an unfamiliar word never turns a particle question into a vocabulary question. The English translation sits hidden behind a tap by default, because with it visible you match the particle to the English and practice something else without noticing. Both are settings: never, always, or on tap. Every sentence can also be heard. A speaker button reads it in Japanese, using the reading the catalog knows rather than a guess at the kanji. No network needed. PROGRESS THAT MEANS SOMETHING Mastery is capped by how much evidence there is, so three lucky taps do not read as mastered. Five levels, twelve particles and thirteen confusion pairs each get their own bar. Nothing here counts questions answered. No coins, no gems, no energy, no streak you can lose by taking a day off. FREE AND PAID Levels 1 and 2 are free in full – は, が, を, に, で and へ, which is most of the particles in an ordinary sentence. One purchase, once, opens levels 3 to 5, weak-pair practice and the whole question pool. SENTENCES, WITH AI The Sentences tab has two modes. Explain takes any sentence – from a manga, subtitles or scanned from a photo – and shows what each particle does in it, named after a role from this app. Check mine assesses a sentence of your own: each particle is marked right, wrong or "works, but…", with a short why and the fix. Five requests a month are free; more come with the AI Help subscription: PLN 9.99 monthly or PLN 79.99 yearly, auto-renewing, cancellable in your Apple Account settings. Levels and exercises do not depend on it. PRIVACY No account. No adverts. No analytics. Learning works offline, and your progress and your list of sentences stay on your device – you can export your progress whenever you like. Only the Sentences tab talks to our server, sending just the sentence; the server does not store it. TERMS Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://jd-japanese.pl/joshi/1.5/en/privacy.html

What's new · 1.5.0

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.

Details

DeveloperJakub Dwojak
ReleasedAug 2026
UpdatedAug 2026
Version1.5.0
Size3 MB
RequiresiOS 18.0 or later
Age rating4+
LanguagesEnglish, Polish
PriceFree
Categories EducationReference
Bundle IDcom.jakubdwojak.joshi