# Morse Code Translator, Trainer vs 海技士4級対策 500問

The clearest difference is price: Morse Code Translator, Trainer at Free against 海技士4級対策 500問's $4.99. Morse Code Translator, Trainer also leads on review sentiment (36% vs 0%) and update cadence (every 10 days vs every 5 weeks). 海技士4級対策 500問's advantage is in-app purchases (none vs 7). On ads, device support and iOS requirement there is nothing between them.

Morse Code Translator, Trainer is free to download; 海技士4級対策 500問 costs $4.99 up front. Morse Code Translator, Trainer sells 7 in-app purchases, starting at $1.99 per 7 days. 海技士4級対策 500問 asks for nothing beyond the download.

Morse Code Translator, Trainer ships an update every 10 days, 海技士4級対策 500問 every 5 weeks. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Morse Code Translator, Trainer | 海技士4級対策 500問 |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.4 (114 ratings)](https://appshunter.io/ios/app/morse-code-translator-trainer/id6449037640/reviews)** | — |
| Number of ratings | **114** | — |
| Positive reviews | **35.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 31 MB | 34 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Louis Duboscq](https://appshunter.io/developer/1687505370) | [satoshi yoshida](https://appshunter.io/developer/1873856165) |

## What reviewers say

### Morse Code Translator, Trainer

[App page](https://appshunter.io/ios/app/morse-code-translator-trainer/id6449037640)

Learn, translate, and practice Morse code with this comprehensive app. It offers step-by-step lessons, interactive trainers, and a handy keyboard for all skill levels.

**Highlights:** Learn Morse code step-by-step, Interactive Morse code trainer, Translate text to/from Morse code, Morse code alphabet and chart, Knowledge-testing Morse code quiz, Customizable practice exercises, Morse code keyboard

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly access | $1.99 | per 7 days |
| Monthly access | $1.99 | per month |
| Monthly Access | $2.99 | per month |
| Premium Yearly | $9.99 | per year |
| Annual access | $19.99 | per year |
| Lifetime acess | $14.99 | one-time |
| Lifetime access | $24.99 | one-time |


### 海技士4級対策 500問

[App page](https://appshunter.io/ios/app/4-500/id6768201881)

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.

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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Morse Code Translator, Trainer free?

Morse Code Translator, Trainer is free to download, with in-app purchases available.

### Is 海技士4級対策 500問 free?

海技士4級対策 500問 costs $4.99, with no in-app purchases.

### Do Morse Code Translator, Trainer or 海技士4級対策 500問 have ads?

Neither Morse Code Translator, Trainer nor 海技士4級対策 500問 shows ads.

### Which is updated more often, Morse Code Translator, Trainer or 海技士4級対策 500問?

Morse Code Translator, Trainer ships an update every 10 days, and 海技士4級対策 500問 every 5 weeks. Most recently, Morse Code Translator, Trainer was updated on October 24, 2026 and 海技士4級対策 500問 on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*