# Electric Master vs GroundLoop

Electric Master and GroundLoop are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Electric Master sells 2 in-app purchases, starting at $9.99 per month and GroundLoop sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Electric Master ships an update weekly, GroundLoop every 11 days. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Electric Master | GroundLoop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/electric-master-nec-panel/id6760935722/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yusuf Can Samiloglu](https://appshunter.io/developer/1863275820) | [毅 王](https://appshunter.io/developer/6774631380) |

## What reviewers say

### Electric Master

[App page](https://appshunter.io/ios/app/electric-master-nec-panel/id6760935722)

This app provides a suite of electrical calculation tools for professionals, offering NEC-compliant solutions for wire sizing, voltage drop, and more. It works offline and allows for PDF export of results with custom branding.

**Highlights:** NEC-compliant electrical calculators, Offline functionality, Voltage drop calculations, Ampacity and wire sizing, PDF export with branding, Calculation history, Siri Shortcuts integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ElectriCalc Pro — Monthly | $9.99 | per month |
| ElectriCalc Pro — Lifetime | $59.99 | one-time |


### GroundLoop

[App page](https://appshunter.io/ios/app/groundloop-earth-ground-test/id6779190914)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GroundLoop Unlock | $19.99 | one-time |


## Frequently asked questions

### Is Electric Master free?

Electric Master is free to download, with in-app purchases available.

### Is GroundLoop free?

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

### Do Electric Master or GroundLoop have ads?

Neither Electric Master nor GroundLoop shows ads.

### Which is updated more often, Electric Master or GroundLoop?

Electric Master ships an update weekly, and GroundLoop every 11 days. Most recently, Electric Master was updated on September 25, 2026 and GroundLoop on September 19, 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.*