# IT用語図鑑【公式】

> Illustrated IT terminology dictionary with explanations and usage examples. (iPhone/iPad app by Toshikatsu Masui.)

- Source: https://appshunter.io/ios/app/it/id1462560471 (this page in markdown: same URL + `.md`)
- Developer: [Toshikatsu Masui](https://appshunter.io/developer/1462560470)
- Category: Reference, Books
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 12.0 · 47 MB
- Languages: Japanese
- Released: 2019-05-12
- Data updated: 2026-08-14
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/it/id1462560471/reviews.md

## What is IT用語図鑑【公式】?

書籍『IT用語図鑑』がアプリ化。

現在、ITに関わる仕事をしている人やITに興味を持っている人が知っておきたいキーワードを厳選し、ジャンル別に図鑑形式で掲載しています。
次々と登場するIT用語のすべてを覚えるのは大変ですし、同じような意味の言葉や同じ綴りの略語もたくさん存在します。

そこで、『IT用語図鑑』では用語のイメージがわくイラストや、用語に関連する話、用語の使用例などを掲載し、さまざまな角度から説明しています。

書籍で紹介している256個のキーワードのうち、100個について無料で掲載。
さらに、アプリ内でコンテンツを購入することで、すべてのキーワードを閲覧できます。

書籍には「用語に関連する話」や「コラム」なども収録しており、書籍の購入特典もありますので、合わせてお読みください。

## Key features

- Illustrated IT terms
- Genre-based categorization
- Related stories and anecdotes
- Usage examples
- In-app content purchases
- Book purchase bonuses

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| すべてのキーワードを購入する | $2.99 | one-time |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/it/id1462560471/reviews.md

### 4/5 — 履歴が消せれない

*2023-08-20, version 1.4*

履歴がけせれません。

### 1/5 — 有料コンテンツが解除されません

*2020-05-09, version 1.4*

購入後もコンテンツが解除されません。
どうすれば良いでしょうか。

## Frequently asked questions about IT用語図鑑【公式】

### What is IT用語図鑑?

IT用語図鑑 is an app version of the book 'IT用語図鑑'. It provides a dictionary of IT terms with illustrations, related stories, and usage examples to help users understand and remember them.

### How many IT terms are available for free in IT用語図鑑?

IT用語図鑑 offers 100 IT terms for free. Users can access all keywords by making in-app purchases.

### Can I access content from the physical book in IT用語図鑑?

Yes, the app mentions that there are bonuses for purchasing the book, including 'related stories' and 'columns' also found in the book. This suggests integration or complementary content.

### What kind of explanations does IT用語図鑑 provide for terms?

IT用語図鑑 explains terms from various angles, including visual aids like illustrations, related anecdotes, and practical usage examples to aid comprehension.

### Is IT用語図鑑 suitable for beginners in IT?

Yes, the app is designed to help users understand the vast and often confusing world of IT terminology, making it beneficial for both beginners and those already in the field.

### What devices does IT用語図鑑 support?

IT用語図鑑 is available for iPhone, iPad, and iPod, as indicated by its supported devices.

### How often is IT用語図鑑 updated?

The latest version of IT用語図鑑 is 2.0.1, and it was last updated on July 30, 2025. This indicates a recent update and ongoing support.

### Does IT用語図鑑 have ads?

No, IT用語図鑑 does not contain advertisements. The app is free to download and offers additional content through in-app purchases.

## Version history (last 5 releases)

### 2.0.1 — 2025-07-30

アプリ内課金の動作を改善しました。

### 2.0.0 — 2025-07-27

左右のスワイプで前後の用語に移動できるように変更しました。

### 1.4 — 2019-06-12

iPhone SEなど画面サイズの小さな端末で、キーワード購入画面がすべて表示されるように修正しました。

### 1.3 — 2019-06-11

略語の元の言葉を追加しました。

### 1.2 — 2019-05-16

本文も含めた全文検索に対応しました。

## More apps by Toshikatsu Masui

- [IT用語図鑑 エンジニア編 【公式】](https://appshunter.io/ios/app/it/id1582152622)
- [AI用語図鑑【公式】](https://appshunter.io/ios/app/ai/id6761282800)

All apps by Toshikatsu Masui: https://appshunter.io/developer/1462560470

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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 2026-08-14.*