# Electrical Engineer's Tool vs EVN CSKH

The clearest difference is review sentiment: Electrical Engineer's Tool at 91% against EVN CSKH's 25%. Electrical Engineer's Tool also leads on rating (5.0 vs 2.9) and update cadence (every 4 days vs every 11 days). EVN CSKH's advantage is in-app purchases (none vs 3) and ratings volume (17 vs 1). 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. EVN CSKH asks for nothing beyond the download.

Electrical Engineer's Tool holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: EVN CSKH has 17 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 91% of Electrical Engineer's Tool's written reviews are positive against 25% of EVN CSKH's.

Electrical Engineer's Tool ships an update every 4 days, EVN CSKH every 11 days. Both last shipped on October 7, 2026.

## The numbers

| Metric | Electrical Engineer's Tool | EVN CSKH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/electrical-engineers-tool-eet/id1584962868/reviews)** | [2.9 (17 ratings)](https://appshunter.io/ios/app/evn-cskh/id6754793134/reviews) |
| Number of ratings | 1 | **17** |
| Positive reviews | **90.9% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 11 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 43 MB | 51 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ninh Viet Tu](https://appshunter.io/developer/1442044927) | [VIETNAM ELECTRICITY](https://appshunter.io/developer/1273713184) |

## 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 |


### EVN CSKH

[App page](https://appshunter.io/ios/app/evn-cskh/id6754793134)

This mobile application provides customers of Vietnam Electricity with easy access to industry information. Users can look up and pay bills, check power outage schedules, find electrical safety information, and track electricity usage.

**Highlights:** Bill lookup and payment, Power outage schedules, Electrical safety information, Electricity usage tracking, Customer service access

**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 EVN CSKH free?

EVN CSKH is free to download, with no in-app purchases.

### Which has better reviews, Electrical Engineer's Tool or EVN CSKH?

Electrical Engineer's Tool is rated higher. Electrical Engineer's Tool averages 5.0 out of 5 from 1 ratings, while EVN CSKH averages 2.9 from 17 ratings.

### Do Electrical Engineer's Tool or EVN CSKH have ads?

Neither Electrical Engineer's Tool nor EVN CSKH shows ads.

### Which is updated more often, Electrical Engineer's Tool or EVN CSKH?

Electrical Engineer's Tool ships an update every 4 days, and EVN CSKH every 11 days. Most recently, Electrical Engineer's Tool was updated on October 7, 2026 and EVN CSKH on October 7, 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.*