Jargon Japan

Jargon Japan

Japanese Slang Dictionary

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Free
In-App Purchases

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Released
September 1, 2026
Updated
September 18, 2026

Features

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About

Jargon Japan is a Japanese slang dictionary with comic-style illustrations. Textbooks teach you polite Japanese. This app teaches you the words people actually use online, at work, and with friends. WHAT'S INSIDE - 36 slang phrases, each with its own full-color comic card - Plain-English explanations of meaning and nuance - Example sentences with romaji readings - Culture notes on when (and when not) to use each phrase - Variations and related expressions LEARN YOUR WAY - Flip each card to test yourself before revealing the meaning - Six decks to browse: All, Now, Common, Retro, Jargon, and a personalized For You - Answer a few quick questions (all optional) and get a personalized "For You" order - Save the ones you want to keep to your own list PRIVATE BY DESIGN - Works fully offline - No account, no sign-up - No ads - Only anonymous usage stats, never your answers. Turn them off anytime in Settings - Your answers, saved list, and progress stay on your device and can be deleted in Settings WHO IT'S FOR - Japanese learners who want to understand real conversations - Fans of anime, manga, and Japanese social media - Anyone curious about how people in Japan actually talk Start with 36 essential slang words — from "yabai" to "kusa" — and sound a little more like a local. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in Jargon Japan

1.1

September 18, 2026

Now you can hear it. Tap the speaker on any card to hear the phrase — and its example sentence — read aloud in Japanese. Like the rest of the app, it works offline. Also new: Jargon Japan Premium, an optional upgrade that adds a second set of phrases, each with its own comic card, example sentence, and usage guide. The free phrases stay free, and you still don't need an account.

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Subscriptions & In-App Purchases

Jargon Japan Premium

Premium phrases: comics, examples, and usage

$4.991 Month
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