# Electronics Engineer Helper vs DWSIM Simulator

The clearest difference is review sentiment: Electronics Engineer Helper at 98% against DWSIM Simulator's 57%. Electronics Engineer Helper also leads on rating (4.8 vs 4.6) and ratings volume (436 vs 105). DWSIM Simulator's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (12.0 vs 17.0). On price, update cadence, ads and in-app purchases 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 DWSIM Simulator sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Electronics Engineer Helper holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 436 and 105 respectively. Written reviews point the same way: 98% of Electronics Engineer Helper's written reviews are positive against 57% of DWSIM Simulator's.

Electronics Engineer Helper ships an update monthly, DWSIM Simulator every 6 weeks. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Electronics Engineer Helper | DWSIM Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (436 ratings)](https://appshunter.io/ios/app/electronics-engineer-helper/id896429646/reviews)** | [4.6 (105 ratings)](https://appshunter.io/ios/app/dwsim-simulator/id1162110266/reviews) |
| Number of ratings | **436** | 105 |
| Positive reviews | **97.7% of reviews** | 57.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 92 MB | 106 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Rostyslav Dovhaliuk](https://appshunter.io/developer/896429649) | [Daniel Medeiros](https://appshunter.io/developer/1091004600) |

## 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


### DWSIM Simulator

[App page](https://appshunter.io/ios/app/dwsim-simulator/id1162110266)

This app provides a powerful offline chemical process simulation tool. It allows engineers to build complex process models, perform thermodynamic calculations, and analyze various unit operations. Features include a touch-enabled PFD interface, extensive compound databases, and advanced calculation engines.

**Highlights:** Offline chemical process simulation, Touch-enabled PFD drawing interface, Extensive thermodynamic models, Compound database for 1500+ compounds, Unit operation models, Chemical reaction and reactor support, Flowsheet parametric studies

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| User-Defined Unit Set | $1.99 | one-time |
| Flowsheet Utilities Pack | $2.99 | one-time |
| Unit Operations Pack 1 | $2.99 | one-time |
| Unit Operations Pack 2 | $2.99 | one-time |
| Unit Operations Pack 3 | $2.99 | one-time |
| Activity Coeff. Model Pack | $3.99 | one-time |
| Equation of State Model Pack | $3.99 | one-time |
| Reactor Models Pack | $4.99 | one-time |
| Unlock All Features | $9.99 | one-time |
| Unlock All Features | $39.99 | one-time |


## Frequently asked questions

### Is Electronics Engineer Helper free?

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

### Is DWSIM Simulator free?

DWSIM Simulator is free to download, with in-app purchases available.

### Which has better reviews, Electronics Engineer Helper or DWSIM Simulator?

Electronics Engineer Helper is rated higher. Electronics Engineer Helper averages 4.8 out of 5 from 436 ratings, while DWSIM Simulator averages 4.6 from 105 ratings.

### Do Electronics Engineer Helper or DWSIM Simulator have ads?

Neither Electronics Engineer Helper nor DWSIM Simulator shows ads.

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

Electronics Engineer Helper ships an update monthly, and DWSIM Simulator every 6 weeks. Most recently, Electronics Engineer Helper was updated on October 11, 2026 and DWSIM Simulator on October 1, 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.*