# Master Electrician Ref. Lite vs Electronics Engineer Helper

Master Electrician Ref. Lite and Electronics Engineer Helper both sit at 4.7 stars, but that hides the real split: 98% of Electronics Engineer Helper's written reviews are positive against 50% of Master Electrician Ref. Lite's. Electronics Engineer Helper also leads on update cadence (monthly vs every 4 months). Master Electrician Ref. Lite's advantage is in-app purchases (none vs 2) and ratings volume (2.5K vs 436). On price, rating, ads 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. Master Electrician Ref. Lite asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Master Electrician Ref. Lite against 4.8 for Electronics Engineer Helper. That said, the two scores are not equally well evidenced: Master Electrician Ref. Lite has 2.5K ratings behind it against 436, so its average is the more settled of the two. Written reviews are what separate them: 50% of Master Electrician Ref. Lite's written reviews are positive against 98% of Electronics Engineer Helper's.

Master Electrician Ref. Lite ships an update every 4 months, Electronics Engineer Helper monthly. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Master Electrician Ref. Lite | Electronics Engineer Helper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (2.5K ratings)](https://appshunter.io/ios/app/master-electrician-ref-lite/id889449126/reviews) | **[4.8 (436 ratings)](https://appshunter.io/ios/app/electronics-engineer-helper/id896429646/reviews)** |
| Number of ratings | **2.5K** | 436 |
| Positive reviews | 50.0% of reviews | **97.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 46 MB | 92 MB |
| Requires iOS | **11.4** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 12+ | 12+ |
| Developer | [PawEng, LLC](https://appshunter.io/developer/390058606) | [Rostyslav Dovhaliuk](https://appshunter.io/developer/896429649) |

## What reviewers say

### Master Electrician Ref. Lite

[App page](https://appshunter.io/ios/app/master-electrician-ref-lite/id889449126)

This electronic pocket reference guide provides essential information for electrical professionals. It offers calculations, code tables, and detailed sections on motors, ampacities, grounding, and more, all accessible on your mobile device.

**Highlights:** Motor and wiring information, Ampacity tables, Conduit fill and grounding sizes, Voltage drop calculations, Conduit bending guide, Integrated scientific calculator, NEC code tables

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Master Electrician Ref. Lite free?

Master Electrician Ref. Lite is free to download, with no in-app purchases.

### Is Electronics Engineer Helper free?

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

### Which has better reviews, Master Electrician Ref. Lite or Electronics Engineer Helper?

Electronics Engineer Helper is rated higher. Master Electrician Ref. Lite averages 4.7 out of 5 from 2.5K ratings, while Electronics Engineer Helper averages 4.8 from 436 ratings.

### Do Master Electrician Ref. Lite or Electronics Engineer Helper have ads?

Neither Master Electrician Ref. Lite nor Electronics Engineer Helper shows ads.

### Which is updated more often, Master Electrician Ref. Lite or Electronics Engineer Helper?

Master Electrician Ref. Lite ships an update every 4 months, and Electronics Engineer Helper monthly. Most recently, Master Electrician Ref. Lite was updated on October 9, 2026 and Electronics Engineer Helper 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.*