# Construction Master 5 Calc vs Unit Converter

The clearest difference is rating: Construction Master 5 Calc at 4.8 against Unit Converter's 3.7. Construction Master 5 Calc also leads on ratings volume (13K vs 3) and chart position (#200 vs unranked). Unit Converter's advantage is update cadence (daily vs every 3 months) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Construction Master 5 Calc sells 2 in-app purchases, starting at $3.99 per month and Unit Converter sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Construction Master 5 Calc holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Construction Master 5 Calc has 13K ratings behind it against 3, so its average is the more settled of the two.

Construction Master 5 Calc ships an update every 3 months, Unit Converter daily. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Construction Master 5 Calc | Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (13K ratings)](https://appshunter.io/ios/app/construction-master-5-calc/id370412148/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/unit-converter-fromto/id6738796120/reviews) |
| Number of ratings | **13K** | 3 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#200** | — |
| Size | 73 MB | 55 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [Farid Fakhnavar](https://appshunter.io/developer/1692223826) |

## What reviewers say

### Construction Master 5 Calc

[App page](https://appshunter.io/ios/app/construction-master-5-calc/id370412148)

**Currently charting:** #200 Top Grossing · Utilities (US App Store)

This app is a powerful feet-inch-fraction calculator designed for construction professionals. It offers advanced calculation capabilities for layouts, bids, and estimates, simplifying complex measurements and conversions for enhanced project accuracy and efficiency.

**Highlights:** Feet-inch-fraction calculations, Right angle and rafter calculations, Area and volume solutions, Board feet and cost per unit, Dimensional math and conversions, Save or email calculations, Context-sensitive help

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Full Access | $3.99 | per month |
| 1 Year Full Access | $34.99 | per year |

**What reviewers like**

- 👍 Convenient to have on phone
- 💡 Useful for construction work
- 🚀 Performs like physical calculator
- 👍 Helpful for calculations and estimates
- 👍 Great tool for framers and carpenters

**What reviewers complain about**

- 💰 Expensive subscription model
- 🤔 Prefer one-time purchase option
- 🤔 Subscription cost as much as physical calculator
- 🤔 Should allow trial before subscription
- 🐛 Issues with restoring purchases

**Reported bugs**

- App not working without internet connection
- Crashes or freezes on some devices
- Login/purchase issues when switching devices

**Requested features**

- Add Apple Watch support
- Offer one-time purchase option
- Improve compatibility with older devices
- Provide a free version with limited features


### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-fromto/id6738796120)

This versatile tool simplifies daily tasks by offering quick and reliable conversions for over 20 unit types. Its clean, intuitive interface makes converting measurements easy for students, professionals, and travelers alike. Enjoy offline functionality and a lightweight design that won't drain your device's resources.

**Highlights:** Over 20 unit categories, Length, weight, volume, temperature, speed, time, energy, pressure conversions, Real-time currency exchange rates, User-friendly interface, Lightweight and fast performance, Offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro Sale | $6.99 | one-time |
| Lifetime Pro | $9.99 | one-time |


## Frequently asked questions

### Is Construction Master 5 Calc free?

Construction Master 5 Calc is free to download, with in-app purchases available.

### Is Unit Converter free?

Unit Converter is free to download, with in-app purchases available.

### Which has better reviews, Construction Master 5 Calc or Unit Converter?

Construction Master 5 Calc is rated higher. Construction Master 5 Calc averages 4.8 out of 5 from 13K ratings, while Unit Converter averages 3.7 from 3 ratings.

### Do Construction Master 5 Calc or Unit Converter have ads?

Neither Construction Master 5 Calc nor Unit Converter shows ads.

### Which is updated more often, Construction Master 5 Calc or Unit Converter?

Construction Master 5 Calc ships an update every 3 months, and Unit Converter daily. Most recently, Construction Master 5 Calc was updated on October 25, 2026 and Unit Converter 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.*