# Electrical Engineer's Tool vs HSSE Department

The clearest difference is in-app purchases: HSSE Department at none against Electrical Engineer's Tool's 3. Electrical Engineer's Tool's advantage is update cadence (every 4 days vs every 10 months) and iOS requirement (10.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Electrical Engineer's Tool sells 3 in-app purchases, starting at $3.99 per 3 months. HSSE Department asks for nothing beyond the download.

Electrical Engineer's Tool ships an update every 4 days, HSSE Department every 10 months. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Electrical Engineer's Tool | HSSE Department |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/electrical-engineers-tool-eet/id1584962868/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 10 months |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 38 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ninh Viet Tu](https://appshunter.io/developer/1442044927) | [Nguyen Mo](https://appshunter.io/developer/1641894865) |

## What reviewers say

### Electrical Engineer's Tool

[App page](https://appshunter.io/ios/app/electrical-engineers-tool-eet/id1584962868)

This comprehensive tool offers a wide array of electrical calculations, including wire sizing, voltage drop, power, and motor-related computations. It also provides extensive resources like color codes, fuse types, and pinout diagrams for various connectors. Essential for electrical engineers and technicians.

**Highlights:** Extensive electrical calculations, Electronic component calculations, Motor-related computations, Unit conversions, Comprehensive reference resources, Pinout diagrams for connectors

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 months (89.000 VND) | $3.99 | per 3 months |
| 1 Year (249.000 VNĐ/year) | $19.49 | per year |
| Lifetime EET (552.000 VND) | $22.99 | one-time |


### HSSE Department

[App page](https://appshunter.io/ios/app/hsse-department/id1661070454)

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

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Engineer's Tool free?

Electrical Engineer's Tool is free to download, with in-app purchases available.

### Is HSSE Department free?

HSSE Department is free to download, with no in-app purchases.

### Do Electrical Engineer's Tool or HSSE Department have ads?

Neither Electrical Engineer's Tool nor HSSE Department shows ads.

### Which is updated more often, Electrical Engineer's Tool or HSSE Department?

Electrical Engineer's Tool ships an update every 4 days, and HSSE Department every 10 months. Most recently, Electrical Engineer's Tool was updated on October 7, 2026 and HSSE Department on October 9, 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.*