# ElectriCalc Pro vs Mike Holt's Electrical Toolbox

The clearest difference is in-app purchases: Mike Holt's Electrical Toolbox at none against ElectriCalc Pro's 2. Mike Holt's Electrical Toolbox also leads on update cadence (every 3 months vs every 10 months). ElectriCalc Pro's advantage is rating (4.9 vs 4.6). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. ElectriCalc Pro sells 2 in-app purchases, starting at $4.99 per month. Mike Holt's Electrical Toolbox asks for nothing beyond the download.

ElectriCalc Pro holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 354 and 197 respectively. Written reviews point the same way: 78% of ElectriCalc Pro's written reviews are positive against 77% of Mike Holt's Electrical Toolbox's.

ElectriCalc Pro ships an update every 10 months, Mike Holt's Electrical Toolbox every 3 months. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ElectriCalc Pro | Mike Holt's Electrical Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (354 ratings)](https://appshunter.io/ios/app/electricalc-pro/id569677304/reviews)** | [4.6 (197 ratings)](https://appshunter.io/ios/app/mike-holts-electrical-toolbox/id1406630647/reviews) |
| Number of ratings | **354** | 197 |
| Positive reviews | **78.1% of reviews** | 76.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 29 MB | 26 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [Mike Holt Enterprises](https://appshunter.io/developer/1349960186) |

## 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 |


### Mike Holt's Electrical Toolbox

[App page](https://appshunter.io/ios/app/mike-holts-electrical-toolbox/id1406630647)

This app provides essential calculations for electricians, inspectors, contractors, and engineers. It helps determine conductor sizing, circuit protection, race sizing, and grounding conductor sizes for various electrical equipment and services.

**Highlights:** Conductor sizing, Voltage drop limitations, Circuit protection sizing, Race sizing, Equipment grounding conductor sizing, Dwelling-unit service calculations

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great app for electricians
- 💡 Provides code article references
- 👍 Useful for on-the-spot reference
- 👍 Excellent for verifying calculations
- 👍 Helpful for exam preparation

**What reviewers complain about**

- 🐛 Emailing results not working
- 🐛 Outdated information
- 🐛 Load calc a little clunky
- 🐛 Content setup needs overhaul
- 🐛 Video series lacks completion system

**Reported bugs**

- Cannot email results
- Video player widescreen exit bug
- Previous calculation data not erased
- App content is outdated

**Requested features**

- Increase transformer capacity to 225kva
- Add option to print load calc
- Update to NEC 2020
- Add completion system for video series
- Refine user interface for better usability


## Frequently asked questions

### Is ElectriCalc Pro free?

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

### Is Mike Holt's Electrical Toolbox free?

Mike Holt's Electrical Toolbox is free to download, with no in-app purchases.

### Which has better reviews, ElectriCalc Pro or Mike Holt's Electrical Toolbox?

ElectriCalc Pro is rated higher. ElectriCalc Pro averages 4.9 out of 5 from 354 ratings, while Mike Holt's Electrical Toolbox averages 4.6 from 197 ratings.

### Do ElectriCalc Pro or Mike Holt's Electrical Toolbox have ads?

Neither ElectriCalc Pro nor Mike Holt's Electrical Toolbox shows ads.

### Which is updated more often, ElectriCalc Pro or Mike Holt's Electrical Toolbox?

ElectriCalc Pro ships an update every 10 months, and Mike Holt's Electrical Toolbox every 3 months. Most recently, ElectriCalc Pro was updated on October 17, 2026 and Mike Holt's Electrical Toolbox on October 16, 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.*