# Flux Drivers vs Electric Master

The clearest difference is in-app purchases: Flux Drivers at none against Electric Master's 3. Flux Drivers also leads on iOS requirement (13 vs 17.0). Electric Master's advantage is update cadence (every 2 weeks vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Electric Master sells 3 in-app purchases, starting at $9.99 per month. Flux Drivers asks for nothing beyond the download.

Flux Drivers ships an update every 5 months, Electric Master every 2 weeks. The most recent releases landed on September 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Flux Drivers | Electric Master |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 45 MB | 72 MB |
| Requires iOS | **13** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Flux Technologies LLC](https://appshunter.io/developer/1815648502) | [Yusuf Can Samiloglu](https://appshunter.io/developer/1863275820) |

## What reviewers say

### Flux Drivers

[App page](https://appshunter.io/ios/app/flux-drivers/id6746178286)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly — All Calculators | $9.99 | per month |
| Pro Yearly — All Calculators | $59.99 | per year |
| Pro Lifetime — All Calculators | $119.99 | one-time |


## Frequently asked questions

### Is Flux Drivers free?

Flux Drivers is free to download, with no in-app purchases.

### Is Electric Master free?

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

### Do Flux Drivers or Electric Master have ads?

Neither Flux Drivers nor Electric Master shows ads.

### Which is updated more often, Flux Drivers or Electric Master?

Flux Drivers ships an update every 5 months, and Electric Master every 2 weeks. Most recently, Flux Drivers was updated on September 17, 2026 and Electric Master 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.*