# 海技士4級対策 500問

> Practice exam app for Class 4 Maritime Officer certification with detailed explanations. (iPhone/iPad app by satoshi yoshida.)

- Source: https://appshunter.io/ios/app/4-500/id6768201881 (this page in markdown: same URL + `.md`)
- Developer: [satoshi yoshida](https://appshunter.io/developer/1873856165)
- Category: Education
- Price: $4.99
- Age rating: 4+
- Requires: iOS 15.1 · 34 MB
- Languages: American English, Japanese
- Released: 2026-05-12
- Data updated: 2026-10-11
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/4-500/id6768201881/reviews.md

## What is 海技士4級対策 500問?

海技士4級の対策アプリです。

■ 5章×500問の本格問題集
第1章 海事法規
第2章 航海・航海計器
第3章 運用・操船
第4章 海洋気象・海象
第5章 救命・消火・通信

■ 主な機能
・章別練習で苦手分野を集中対策
・全問詳しい解説付き
・進捗管理と統計表示
・ダーク・ライトテーマ対応
・完全オフライン動作

本アプリは「海技士4級」資格試験の予想問題集です。

## Key features

- 5 chapters x 500 practice questions
- Detailed explanations for all questions
- Chapter-specific practice
- Progress tracking and statistics
- Dark/light theme support
- Offline operation

## Is 海技士4級対策 500問 safe?

Not enough ratings yet to assess 海技士4級対策 500問.

## Is 海技士4級対策 500問 legit?

海技士4級対策 500問 appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for 海技士4級対策 500問 is 65 out of 100 points across 7 verification signals from App Store and developer data.

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/4-500/id6768201881/reviews.md

### 1/5 — 要改善

*2026-06-13*

正解であっても不正解となる

## Frequently asked questions about 海技士4級対策 500問

### What is 海技士4級対策?

海技士4級対策 is a practice exam application designed to help users prepare for the Class 4 Maritime Officer certification. It offers a substantial question bank covering essential topics for the exam.

### What subjects are covered in 海技士4級対策?

The app covers five main subjects: Maritime Law, Navigation and Navigational Instruments, Operation and Ship Handling, Marine Meteorology and Oceanography, and Life Saving, Fire Fighting, and Communication.

### Does 海技士4級対策 offer detailed explanations?

Yes, 海技士4級対策 provides detailed explanations for every question in its practice exam. This feature is designed to enhance understanding and aid in learning.

### Can I use 海技士4級対策 offline?

Yes, 海技士4級対策 is designed to work completely offline. This allows users to study and practice without needing an internet connection, making it convenient for use anywhere.

### How does 海技士4級対策 help track progress?

The app includes progress management and statistical displays. This allows users to monitor their performance, identify areas where they need more practice, and focus their study efforts effectively.

### What is the price of 海技士4級対策?

海技士4級対策 is a paid application, priced at $4.99. This one-time purchase grants access to all its features and practice materials.

### On which devices can I use 海技士4級対策?

海技士4級対策 is available for iPhone, iPad, and iPod. It is designed to be compatible with Apple's mobile operating systems.

### Does 海技士4級対策 have ads?

No, 海技士4級対策 does not contain advertisements. As a paid application, it offers an ad-free experience for uninterrupted study.

## Version history (last 5 releases)

### 1.0.4 — 2026-10-09

細かな改善を行いました。

### 1.0.3 — 2026-09-15

問題の正解・設問・選択肢・解説を全問精査し、誤りを修正しました。表示が崩れていた化学式などの記号を修正しました。

### 1.0.2 — 2026-07-30

不具合の修正: 一部の問題で、正しい選択肢を選んでも不正解と判定される問題を修正しました。全問の正答データを再検証しています。

### 1.0.1 — 2026-06-08

アイコンデザインを刷新し、視認性を向上しました。今後ともよろしくお願いいたします。

### 1.0 — 2026-05-12

No release notes.

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All apps by satoshi yoshida: https://appshunter.io/developer/1873856165

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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 2026-10-11.*