# ElectriCalc Pro vs Box Fill Calc

The clearest difference is price: ElectriCalc Pro at Free against Box Fill Calc's $4.99. ElectriCalc Pro also leads on rating (4.9 vs 3.2) and ratings volume (364 vs 5). Box Fill Calc's advantage is in-app purchases (none vs 2) and update cadence (every 3 months vs every 10 months). On ads and device support there is nothing between them.

ElectriCalc Pro is free to download; Box Fill Calc costs $4.99 up front. ElectriCalc Pro sells 2 in-app purchases, starting at $4.99 per month. Box Fill Calc asks for nothing beyond the download.

ElectriCalc Pro holds the better App Store score, 4.9 against 3.2. That said, the two scores are not equally well evidenced: ElectriCalc Pro has 364 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 78% of ElectriCalc Pro's written reviews are positive against 60% of Box Fill Calc's.

ElectriCalc Pro ships an update every 10 months, Box Fill Calc every 3 months. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | ElectriCalc Pro | Box Fill Calc |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.9 (364 ratings)](https://appshunter.io/ios/app/electricalc-pro/id569677304/reviews)** | [3.2 (5 ratings)](https://appshunter.io/ios/app/box-fill-calc/id895211266/reviews) |
| Number of ratings | **364** | 5 |
| Positive reviews | **78.1% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 29 MB | 18 MB |
| Requires iOS | 14.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [Snappy Appz Inc.](https://appshunter.io/developer/375591377) |

## What reviewers say

### ElectriCalc Pro

[App page](https://appshunter.io/ios/app/electricalc-pro/id569677304)

This app provides electricians and electrical professionals with a powerful tool for performing complex calculations based on the latest National Electrical Code (NEC). It offers solutions for wire sizing, voltage drop, conduit sizing, and motor calculations, saving time and ensuring code compliance.

**Highlights:** NEC compliant calculations, Wire and conduit sizing, Voltage drop calculations, Motor full-load amps, Ohm's Law solver, Built-in help and tutorials

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Full Access | $4.99 | per month |
| 1 Year Full Access | $39.99 | per year |


### Box Fill Calc

[App page](https://appshunter.io/ios/app/box-fill-calc/id895211266)

This app simplifies electrical box fill calculations for any job size. It allows users to create and save unlimited calculations, solve for various box sizes, and export results to spreadsheets or print directly. It supports current electrical code standards and includes a built-in construction calculator.

**Highlights:** Unlimited saved calculations, Solve for custom and compound boxes, Export results to spreadsheet, Direct printing via AirPrint, Supports 2014 NEC and 2012, Built-in construction calculator

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

**In-app purchases:** none


## Frequently asked questions

### Is ElectriCalc Pro free?

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

### Is Box Fill Calc free?

Box Fill Calc costs $4.99, with no in-app purchases.

### Which has better reviews, ElectriCalc Pro or Box Fill Calc?

ElectriCalc Pro is rated higher. ElectriCalc Pro averages 4.9 out of 5 from 364 ratings, while Box Fill Calc averages 3.2 from 5 ratings.

### Do ElectriCalc Pro or Box Fill Calc have ads?

Neither ElectriCalc Pro nor Box Fill Calc shows ads.

### Which is updated more often, ElectriCalc Pro or Box Fill Calc?

ElectriCalc Pro ships an update every 10 months, and Box Fill Calc every 3 months. Most recently, ElectriCalc Pro was updated on October 20, 2026 and Box Fill Calc on October 5, 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.*