# Construction Master Pro Calc vs Electrical Calc

The clearest difference is price: Construction Master Pro Calc at Free against Electrical Calc's $19.99. Construction Master Pro Calc also leads on rating (4.8 vs 2.5) and ratings volume (40K vs 2). Electrical Calc's advantage is in-app purchases (none vs 20) and review sentiment (89% vs 60%). On ads and device support there is nothing between them.

Construction Master Pro Calc is free to download; Electrical Calc costs $19.99 up front. Construction Master Pro Calc sells 12 in-app purchases, starting at $3.69 per month. Electrical Calc asks for nothing beyond the download.

Construction Master Pro Calc holds the better App Store score, 4.8 against 2.5. That said, the two scores are not equally well evidenced: Construction Master Pro Calc has 40K ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 60% of Construction Master Pro Calc's written reviews are positive against 89% of Electrical Calc's, so the app with the better star average is not the one people write more warmly about.

Construction Master Pro Calc ships an update every 3 weeks, Electrical Calc every 5 weeks. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Construction Master Pro Calc | Electrical Calc |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | **[4.8 (40K ratings)](https://appshunter.io/ios/app/construction-master-pro-calc/id370406446/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/electrical-calc/id375591374/reviews) |
| Number of ratings | **40K** | 2 |
| Positive reviews | 60.4% of reviews | **89.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#41** | — |
| Size | 111 MB | 23 MB |
| Requires iOS | 15.0 | **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

### Construction Master Pro Calc

[App page](https://appshunter.io/ios/app/construction-master-pro-calc/id370406446)

**Currently charting:** #41 Top Grossing · Utilities (US App Store)

This app is a powerful construction calculator designed for professionals working with dimensions. It offers a wide range of solutions for dimensional math, right angle calculations, area and volume, and special functions, helping to improve speed and accuracy in layouts, bids, and estimates.

**Highlights:** Dimensional math and conversions, Right angle and rafter calculations, Area and volume solutions, Full trigonometric functions, Built-in user's guide and help, Save and share calculations, Project notes and attachments

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Full Access | $3.69 | per month |
| 1 Month Full Access | $4.99 | per month |
| 1 Month Full Access | $4.99 | per month |
| 1 Month Full Access | $4.99 | per month |
| CMPro Full Access | $9.99 | per year |
| 6 Months Full Access | $19.99 | per 6 months |
| 1 Year Full Access | $19.99 | per year |
| 1 Year Full Access | $29.99 | per year |
| 1 Year Full Access | $39.99 | per year |
| 1 Year Full Access | $39.99 | per year |
| 1 Year Full Access | $39.99 | per year |
| 1 Year Full Access | $39.99 | per year |

**What reviewers like**

- 🚀 Convenient and always available
- ⚙️ Comprehensive construction calculations
- 💪 Industry-standard tool
- 🔍 Accurate and reliable
- 📱 Integrates well with mobile devices

**What reviewers complain about**

- 💰 Subscription model too expensive
- 🔒 Locks data behind subscription
- 🔄 Forced to re-purchase after device changes
- 🔍 Lacks full metric support
- 🔧 Occasional UI/UX issues

**Reported bugs**

- Crashes or freezes on certain devices
- Calculation errors in some scenarios
- Inconsistent behavior after updates

**Requested features**

- Add metric unit support
- Offer one-time purchase option
- Improve backup and data transfer
- Add more customization options
- Enhance overall user experience


### Electrical Calc

[App page](https://appshunter.io/ios/app/electrical-calc/id375591374)

This professional electrical application assists electricians and engineers with complex calculations based on the Canadian Electric Code. It offers features for wire and conduit sizing, motor and transformer load calculations, voltage drop, and more. Easily generate panel legends and access in-app support.

**Highlights:** Wire and conduit sizing, Motor and transformer load calculations, Voltage drop calculations, Panel legend creation and export, Allowable ampacity and derating, Box fill calculations, Unit conversions

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

**In-app purchases:** none

**What reviewers like**

- 👍 Handy and useful for electricians
- 🚀 Saves time on the job
- ✅ Accurate calculations
- 💡 Constantly updated with code books
- 👍 Easy to use and navigate

**What reviewers complain about**

- 🐛 Voltage drop calculator may be incorrect
- 🐛 Pipe fill calculator difficult with different wire sizes
- 🐛 Needs better tutorials
- 🐛 Some users report mistakes/errors
- 🐛 Not following Quebec's electrical code

**Reported bugs**

- Voltage drop calculator does not seem correct
- Pipe fill calculator difficult to use
- Trouble using wire size calculations
- Mistakes when using the app
- App does not follow Quebec's electrical code

**Requested features**

- Add a DC voltage drop calculator
- Include a demand load factor calculator
- Add more electrical conversions (amps to milliamps, farads to microfarads)
- Add an electronics section with component dictionary and resistor color code calculator
- Update for 2015 code book


## Frequently asked questions

### Is Construction Master Pro Calc free?

Construction Master Pro Calc is free to download, with in-app purchases available.

### Is Electrical Calc free?

Electrical Calc costs $19.99, with no in-app purchases.

### Which has better reviews, Construction Master Pro Calc or Electrical Calc?

Construction Master Pro Calc is rated higher. Construction Master Pro Calc averages 4.8 out of 5 from 40K ratings, while Electrical Calc averages 2.5 from 2 ratings.

### Do Construction Master Pro Calc or Electrical Calc have ads?

Neither Construction Master Pro Calc nor Electrical Calc shows ads.

### Which is updated more often, Construction Master Pro Calc or Electrical Calc?

Construction Master Pro Calc ships an update every 3 weeks, and Electrical Calc every 5 weeks. Most recently, Construction Master Pro Calc was updated on November 3, 2026 and Electrical Calc 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.*