# Jargon Japan — Japanese Slang Dictionary

> Japanese Slang Dictionary (iPhone/iPad app by Yusuke Yamamoto.)

- Source: https://appshunter.io/ios/app/jargon-japan/id6804948702 (this page in markdown: same URL + `.md`)
- Developer: [Yusuke Yamamoto](https://appshunter.io/developer/6793003027)
- Category: Education, Reference
- Price: Free with in-app purchases
- Age rating: 12+
- Requires: iOS 15.0 · 20 MB
- Languages: American English
- Released: 2026-09-01
- Data updated: 2026-10-12

## What is Jargon Japan?

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/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Jargon Japan Premium | $4.99 | per month |
| Jargon Japan Premium | $29.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Jargon Japan Premium | $69.99 | one-time |


## Is Jargon Japan safe?

Not enough ratings yet to assess Jargon Japan.

## Is Jargon Japan legit?

Jargon Japan has limited verification signals. The AppsHunter Legitimacy Score for Jargon Japan is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.1 — 2026-09-18

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.

### 1.0 — 2026-09-01

No release notes.

## More apps by Yusuke Yamamoto

- [Markdown Viewer: Copy for AI](https://appshunter.io/ios/app/markdown-viewer-copy-for-ai/id6793003025)

All apps by Yusuke Yamamoto: https://appshunter.io/developer/6793003027

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-12.*