# Electronics Engineer Helper vs Marine Engineer

The clearest difference is update cadence: Marine Engineer at every 6 days against Electronics Engineer Helper's monthly. Marine Engineer also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Electronics Engineer Helper sells 2 in-app purchases, starting at $4.89 per year and Marine Engineer sells 6 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Electronics Engineer Helper ships an update monthly, Marine Engineer every 6 days. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Electronics Engineer Helper | Marine Engineer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (436 ratings)](https://appshunter.io/ios/app/electronics-engineer-helper/id896429646/reviews)** | — |
| Number of ratings | **436** | — |
| Positive reviews | 97.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 92 MB | 65 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Rostyslav Dovhaliuk](https://appshunter.io/developer/896429649) | [Oral Elmas](https://appshunter.io/developer/1896350657) |

## What reviewers say

### Electronics Engineer Helper

[App page](https://appshunter.io/ios/app/electronics-engineer-helper/id896429646)

This app provides a comprehensive suite of calculators and reference tools for electronics enthusiasts and professionals. It includes features for component identification, circuit calculations, and electrical property analysis, aiding in both study and practical work.

**Highlights:** Datasheet search, Resistor color code calculator, Electronic schematic symbols, Pinouts guide, Ohm's law calculator, AWG converter, Unit converter

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Year Subscription | $4.89 | per year |
| Lifetime PRO Version | $12.49 | one-time |

**What reviewers like**

- 🚀 Useful tool
- 👍 Comprehensive reference
- 👍 Intuitive and well-designed
- 👍 Saves time and effort
- 👍 Excellent for beginners and professionals

**What reviewers complain about**

- 💰 Some advanced features require paid subscription
- 🇷🇺 Some content in Russian language

**Reported bugs**

- Incorrect resistor color code display for some values
- In-app purchase option not working for some users

**Requested features**

- Add more circuit schematics and examples
- Include ASCII code to decimal, hex, and octal conversion
- Expand the pinout section with more details
- Add active filter (RC, RL, RLC, LC) calculators
- Include digital to analog converter, transistor, and transformer calculators


### Marine Engineer

[App page](https://appshunter.io/ios/app/marine-engineer/id6809253477)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EngineRoom Pro - 3 Vessels | $0.99 | per month |
| EngineRoom Pro - 5 Vessels | $1.99 | per month |
| EngineRoom Pro - 10 Vessels | $2.99 | per month |
| EngineRoom Pro - 15 Vessels | $3.99 | per month |
| EngineRoom Pro - Unlimited | $5.99 | per month |
| ORB Part I – Lifetime Access | $24.99 | one-time |


## Frequently asked questions

### Is Electronics Engineer Helper free?

Electronics Engineer Helper is free to download, with in-app purchases available.

### Is Marine Engineer free?

Marine Engineer is free to download, with in-app purchases available.

### Do Electronics Engineer Helper or Marine Engineer have ads?

Neither Electronics Engineer Helper nor Marine Engineer shows ads.

### Which is updated more often, Electronics Engineer Helper or Marine Engineer?

Electronics Engineer Helper ships an update monthly, and Marine Engineer every 6 days. Most recently, Electronics Engineer Helper was updated on October 20, 2026 and Marine Engineer on October 13, 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.*