# Fault Current Calculator vs Geniuspro Mobile

The clearest difference is in-app purchases: Geniuspro Mobile at none against Fault Current Calculator's 2. Geniuspro Mobile also leads on review sentiment (33% vs 0%) and iOS requirement (12.0 vs 14.0). Fault Current Calculator's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Fault Current Calculator sells 2 in-app purchases, starting at $4.99 per month. Geniuspro Mobile asks for nothing beyond the download.

Fault Current Calculator ships an update every 4 months, Geniuspro Mobile every 6 months. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Fault Current Calculator | Geniuspro Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (23 ratings)](https://appshunter.io/ios/app/fault-current-calculator/id647477910/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Freemium | **Ad-supported** |
| Size | 25 MB | 56 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Cooper Bussmann, LLC](https://appshunter.io/developer/609315535) | [CEMBRE](https://appshunter.io/developer/1563758662) |

## What reviewers say

### Fault Current Calculator

[App page](https://appshunter.io/ios/app/fault-current-calculator/id647477910)

This tool helps contractors, engineers, and electricians quickly calculate available fault current on single and three-phase electrical systems. It also assists in sizing fuses and conductors for various circuits and can generate labels for service equipment.

**Highlights:** Calculate available fault current, Size fuses and conductors, Generate service equipment labels, Single and three-phase system support, NEC® 110.24 compliance

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Subscription | $4.99 | per month |
| Pro Annual Subscription | $39.99 | per year |


### Geniuspro Mobile

[App page](https://appshunter.io/ios/app/geniuspro-mobile/id1563758660)

Design and print industrial marking projects like text, barcodes, and images directly from your mobile device. This app supports the Cembre MG4 printer and offers a vast library of printable products for electrical panels and wiring.

**Highlights:** Create and print text, barcodes, QR codes, and images, Supports Cembre MG4 printer, Library of thousands of printable products, Manage projects directly or import/export from desktop software, Share projects with colleagues, Connects to printer via QRCode scan

**In-app purchases:** none


## Frequently asked questions

### Is Fault Current Calculator free?

Fault Current Calculator is free to download, with in-app purchases available.

### Is Geniuspro Mobile free?

Geniuspro Mobile is free to download, with no in-app purchases.

### Do Fault Current Calculator or Geniuspro Mobile have ads?

Geniuspro Mobile shows ads; Fault Current Calculator does not.

### Which is updated more often, Fault Current Calculator or Geniuspro Mobile?

Fault Current Calculator ships an update every 4 months, and Geniuspro Mobile every 6 months. Most recently, Fault Current Calculator was updated on October 2, 2026 and Geniuspro Mobile on October 15, 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.*