# Fault Current Calculator vs Fraction Calculator

The clearest difference is price: Fault Current Calculator at Free against Fraction Calculator's $2.99. Fault Current Calculator also leads on update cadence (every 4 months vs every 43 months) and ratings volume (27 vs 4). Fraction Calculator's advantage is in-app purchases (none vs 2). On rating, review sentiment, ads and device support there is nothing between them.

Fault Current Calculator is free to download; Fraction Calculator costs $2.99 up front. Fault Current Calculator sells 2 in-app purchases, starting at $4.99 per month. Fraction Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.0 for Fault Current Calculator against 3.0 for Fraction Calculator. That said, the two scores are not equally well evidenced: Fault Current Calculator has 27 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

Fault Current Calculator ships an update every 4 months, Fraction Calculator every 43 months. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Fault Current Calculator | Fraction Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [3.0 (27 ratings)](https://appshunter.io/ios/app/fault-current-calculator/id647477910/reviews) | **[3.0 (4 ratings)](https://appshunter.io/ios/app/fraction-calculator-math/id1598507903/reviews)** |
| Number of ratings | **27** | 4 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 43 months |
| Monetization | **Freemium** | Paid |
| Size | 25 MB | 8 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Cooper Bussmann, LLC](https://appshunter.io/developer/609315535) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## 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 |


### Fraction Calculator

[App page](https://appshunter.io/ios/app/fraction-calculator-math/id1598507903)

This math tool provides step-by-step solutions for fraction operations like addition, subtraction, multiplication, and division. It offers customization options for font and colors, and results can be saved or copied.

**Highlights:** Step-by-step solutions, Fraction addition, subtraction, multiplication, division, Customizable font and colors, Results as images, Simplified fractions and mixed numbers, Copyable results

**Features:** macOS Compatibility

**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 Fraction Calculator free?

Fraction Calculator costs $2.99, with no in-app purchases.

### Which has better reviews, Fault Current Calculator or Fraction Calculator?

Fraction Calculator is rated higher. Fault Current Calculator averages 3.0 out of 5 from 27 ratings, while Fraction Calculator averages 3.0 from 4 ratings.

### Do Fault Current Calculator or Fraction Calculator have ads?

Neither Fault Current Calculator nor Fraction Calculator shows ads.

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

Fault Current Calculator ships an update every 4 months, and Fraction Calculator every 43 months. Most recently, Fault Current Calculator was updated on October 23, 2026 and Fraction Calculator 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.*