# Construction Master Pro Calc vs Live Spec

The clearest difference is review sentiment: Construction Master Pro Calc at 60% against Live Spec's 0%. Construction Master Pro Calc also leads on price (Free vs $9.99) and rating (4.8 vs 3.9). Live Spec's advantage is in-app purchases (none vs 20) and iOS requirement (10.0 vs 15.0). On update cadence, ads and device support there is nothing between them.

Construction Master Pro Calc is free to download; Live Spec costs $9.99 up front. Construction Master Pro Calc sells 12 in-app purchases, starting at $3.69 per month. Live Spec asks for nothing beyond the download.

Construction Master Pro Calc holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: Construction Master Pro Calc has 40K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 60% of Construction Master Pro Calc's written reviews are positive against 0% of Live Spec's.

Construction Master Pro Calc ships an update every 3 weeks, Live Spec monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Construction Master Pro Calc | Live Spec |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.8 (40K ratings)](https://appshunter.io/ios/app/construction-master-pro-calc/id370406446/reviews)** | [3.9 (8 ratings)](https://appshunter.io/ios/app/live-spec/id1546303457/reviews) |
| Number of ratings | **40K** | 8 |
| Positive reviews | **60.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#49** | — |
| Size | 111 MB | 10 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [Alphabit Software Inc.](https://appshunter.io/developer/702178534) |

## What reviewers say

### Construction Master Pro Calc

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

**Currently charting:** #49 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


### Live Spec

[App page](https://appshunter.io/ios/app/live-spec/id1546303457)

Transform your phone into a real-time car performance tracker and diagnostic tool. Monitor vital sensors, troubleshoot engine codes, and track fuel economy to save money. Features include customizable gauges, graphing, and race track data analysis.

**Highlights:** Real-time sensor tracking, Read and clear trouble codes, Fuel economy tracking, Customizable gauges and graphs, Race track data analysis, Speed limit warnings, HUD mode for night driving

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Construction Master Pro Calc free?

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

### Is Live Spec free?

Live Spec costs $9.99, with no in-app purchases.

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

Construction Master Pro Calc is rated higher. Construction Master Pro Calc averages 4.8 out of 5 from 40K ratings, while Live Spec averages 3.9 from 8 ratings.

### Do Construction Master Pro Calc or Live Spec have ads?

Neither Construction Master Pro Calc nor Live Spec shows ads.

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

Construction Master Pro Calc ships an update every 3 weeks, and Live Spec monthly. Most recently, Construction Master Pro Calc was updated on October 24, 2026 and Live Spec 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.*