# Electronics Engineer Helper vs SLD | Electrical diagrams

The clearest difference is review sentiment: Electronics Engineer Helper at 98% against SLD | Electrical diagrams's 45%. Electronics Engineer Helper also leads on price (Free vs $1.99) and rating (4.8 vs 4.1). SLD | Electrical diagrams's advantage is update cadence (fortnightly vs monthly) and iOS requirement (11.0 vs 17.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

Electronics Engineer Helper is free to download; SLD | Electrical diagrams costs $1.99 up front. Electronics Engineer Helper sells 2 in-app purchases, starting at $4.89 per year and SLD | Electrical diagrams sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Electronics Engineer Helper holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 436 and 132 respectively. Written reviews point the same way: 98% of Electronics Engineer Helper's written reviews are positive against 45% of SLD | Electrical diagrams's.

Electronics Engineer Helper ships an update monthly, SLD | Electrical diagrams fortnightly. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Electronics Engineer Helper | SLD | Electrical diagrams |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.8 (436 ratings)](https://appshunter.io/ios/app/electronics-engineer-helper/id896429646/reviews)** | [4.1 (132 ratings)](https://appshunter.io/ios/app/sld-electrical-diagrams/id1534899128/reviews) |
| Number of ratings | **436** | 132 |
| Positive reviews | **97.7% of reviews** | 45.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 91 MB | 13 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Rostyslav Dovhaliuk](https://appshunter.io/developer/896429649) | [Angel Martinez](https://appshunter.io/developer/1446956865) |

## 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


### SLD | Electrical diagrams

[App page](https://appshunter.io/ios/app/sld-electrical-diagrams/id1534899128)

Easily create single-line electrical diagrams with a vast library of IEC and ANSI standard symbols. Drag and drop components to build your schemes, with options to save and edit in the PRO version.

**Highlights:** Create single-line diagrams, Drag and drop symbol placement, IEC and ANSI standard symbols, Save and edit schemes (PRO), Export as image, PDF, or file, Add text labels (volt, watt, etc.)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads, save diagram | $3.99 | one-time |

**What reviewers like**

- 👍 User-friendly
- 🚀 Simple and fast
- 💡 Excellent for small projects
- 👍 Easy to use
- 👍 Intuitive interface

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🐛 Saving and loading problems
- 🐛 Unreliable Pro version
- 🐛 Disappearing saved projects
- 🔍 Limited symbol library

**Reported bugs**

- Saved projects disappear or cannot be opened
- Pro version not working as expected
- Frequent crashes and app instability
- Saving and loading issues

**Requested features**

- Add more electrical symbols and components
- Improve text editing and positioning
- Implement undo/redo functionality
- Allow changing wire/conductor colors
- Add support for exporting to DWG or DXF formats


## Frequently asked questions

### Is Electronics Engineer Helper free?

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

### Is SLD | Electrical diagrams free?

SLD | Electrical diagrams costs $1.99, and also offers in-app purchases.

### Which has better reviews, Electronics Engineer Helper or SLD | Electrical diagrams?

Electronics Engineer Helper is rated higher. Electronics Engineer Helper averages 4.8 out of 5 from 436 ratings, while SLD | Electrical diagrams averages 4.1 from 132 ratings.

### Do Electronics Engineer Helper or SLD | Electrical diagrams have ads?

Neither Electronics Engineer Helper nor SLD | Electrical diagrams shows ads.

### Which is updated more often, Electronics Engineer Helper or SLD | Electrical diagrams?

Electronics Engineer Helper ships an update monthly, and SLD | Electrical diagrams fortnightly. Most recently, Electronics Engineer Helper was updated on September 18, 2026 and SLD | Electrical diagrams on September 23, 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.*