MorseFlash Generator vs 海技士4級対策 500問
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MorseFlash Generator
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This is an app for practicing receiving Morse code signals. A signal message of 10 to 30 characters is sent with a "start signal." In the settings page, you can switch between sound on/off and the language of the signal messages.
海技士4級対策 500問
This app provides a comprehensive practice exam for the Class 4 Maritime Officer certification. It features 500 questions across five key subject areas, with detailed explanations for each answer. Track your progress and focus on weak areas with chapter-specific practice and offline functionality.
- 5 chapters x 500 practice questions
- Detailed explanations for all questions
- Chapter-specific practice
- Progress tracking and statistics
- Dark/light theme support
- Offline operation
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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。
Screenshots
Verdict
The clearest difference is price: MorseFlash Generator at Free against 海技士4級対策 500問's $4.99. MorseFlash Generator also leads on update cadence (every 2 weeks vs every 5 weeks). 海技士4級対策 500問's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
MorseFlash Generator is free to download; 海技士4級対策 500問 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
MorseFlash Generator ships an update every 2 weeks, 海技士4級対策 500問 every 5 weeks. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.
| Parameter | MorseFlash Generator | 海技士4級対策 500問 |
|---|---|---|
| Price | Free — better | $4.99 |
| Positive reviews | — | 0.0% of reviews |
| Update frequency | Every 2 weeks — better | Every 5 weeks |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 4 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | SHINICHI OKAMOTO | satoshi yoshida |
In-app purchases
MorseFlash Generator
No in-app purchases
海技士4級対策 500問
No in-app purchases
Questions
Is MorseFlash Generator free?
Is 海技士4級対策 500問 free?
Do MorseFlash Generator or 海技士4級対策 500問 have ads?
Which is updated more often, MorseFlash Generator or 海技士4級対策 500問?
Other comparisons
