# Simplex Nodal vs English Electrical Engineering

The clearest difference is in-app purchases: Simplex Nodal at none against English Electrical Engineering's 6. Simplex Nodal also leads on ads (none vs shown) and iOS requirement (9.0 vs 15.0). English Electrical Engineering's advantage is update cadence (fortnightly vs every 4 months). On price and device support there is nothing between them.

Both are free to download. English Electrical Engineering sells 6 in-app purchases, starting at $8.49 per 7 days. Simplex Nodal asks for nothing beyond the download.

Simplex Nodal ships an update every 4 months, English Electrical Engineering fortnightly. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Simplex Nodal | English Electrical Engineering |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (8 ratings)](https://appshunter.io/ios/app/english-electrical-engineering/id6755091026/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 53 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Simplex Nodal Limited](https://appshunter.io/developer/995736552) | [Nelly Latypova](https://appshunter.io/developer/1150816403) |

## What reviewers say

### Simplex Nodal

[App page](https://appshunter.io/ios/app/simplex-nodal/id995736553)

Explore electricity markets by building and solving your own models. This app visually demonstrates complex concepts like locational marginal pricing, line losses, and the simplex algorithm. Learn through interactive examples and detailed step-by-step operations.

**Highlights:** Build and solve electricity market models, Visualize simplex algorithm workings, Explore locational marginal pricing, Understand line losses and binding constraints, Step-by-step simplex iteration details, Export simplex tableaux as CSV, Includes sample market models

**In-app purchases:** none


### English Electrical Engineering

[App page](https://appshunter.io/ios/app/english-electrical-engineering/id6755091026)

Master essential English vocabulary for electrical engineering. This app uses flashcards and eight learning methods to help students and professionals understand technical terms for better communication and study. Track your progress and build confidence in specialized discussions.

**Highlights:** Technical vocabulary for electrical engineers, Flashcard learning method, Eight diverse word-learning techniques, Study progress tracking and statistics, Word tracking system, Covers control systems, power generation, electronics

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Electrical Vocabulary Pro | $8.49 | per 7 days |
| Technical Vocabulary Pro | $8.49 | per month |
| Technical Vocabulary Pro | $9.49 | per month |
| Engineering Terminology Pro | $29.99 | per 3 months |
| Pro Complete Technical Terms | $34.99 | per year |
| Pro Complete Technical Terms | $34.99 | per year |


## Frequently asked questions

### Is Simplex Nodal free?

Simplex Nodal is free to download, with no in-app purchases.

### Is English Electrical Engineering free?

English Electrical Engineering is free to download, with in-app purchases available.

### Do Simplex Nodal or English Electrical Engineering have ads?

English Electrical Engineering shows ads; Simplex Nodal does not.

### Which is updated more often, Simplex Nodal or English Electrical Engineering?

Simplex Nodal ships an update every 4 months, and English Electrical Engineering fortnightly. Most recently, Simplex Nodal was updated on November 1, 2026 and English Electrical Engineering on October 24, 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.*