# Construction Calculator Master vs KW Calculator

The clearest difference is price: Construction Calculator Master at Free against KW Calculator's $0.99. Construction Calculator Master also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (11.0 vs 17.0). KW Calculator's advantage is in-app purchases (none vs 10). On ads and device support there is nothing between them.

Construction Calculator Master is free to download; KW Calculator costs $0.99 up front. Construction Calculator Master sells 10 in-app purchases, starting at $0.99 per 7 days. KW Calculator asks for nothing beyond the download.

Construction Calculator Master ships an update fortnightly, KW Calculator every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Construction Calculator Master | KW Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.3 (436 ratings)](https://appshunter.io/ios/app/construction-calculator-master/id1623283646/reviews)** | — |
| Number of ratings | **436** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 7 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Uncaught Exception Inc](https://appshunter.io/developer/1457411536) | [Juan Pablo Ocampo](https://appshunter.io/developer/1537036184) |

## What reviewers say

### Construction Calculator Master

[App page](https://appshunter.io/ios/app/construction-calculator-master/id1623283646)

This advanced construction calculator simplifies complex measurements for builders, carpenters, and remodelers. It offers a comprehensive suite of math functions, multi-unit support, and visual aids for calculations involving fractions, trigonometry, and rafters. Reduce errors and save time with its intuitive interface and customizable options.

**Highlights:** Multi-unit fraction support (feet, inches, yards, metric), Trigonometric functions with visualization, Rafter and triangle visualization, Imperial, Metric, and US Fractional units, Customizable fraction resolution, Memory and history functions, Dark mode support

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week | $0.99 | per 7 days |
| 1 week | $2.99 | per 7 days |
| 1 week | $2.99 | per 7 days |
| 1 month | $3.99 | per month |
| 1 week | $4.99 | per 7 days |
| 1 month | $5.99 | per month |
| 1 month | $5.99 | per month |
| 1 month | $9.99 | per month |
| 1 year | $29.99 | per year |
| 1 year | $49.99 | per year |


### KW Calculator

[App page](https://appshunter.io/ios/app/kw-calculator/id1666359624)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Construction Calculator Master free?

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

### Is KW Calculator free?

KW Calculator costs $0.99, with no in-app purchases.

### Do Construction Calculator Master or KW Calculator have ads?

Neither Construction Calculator Master nor KW Calculator shows ads.

### Which is updated more often, Construction Calculator Master or KW Calculator?

Construction Calculator Master ships an update fortnightly, and KW Calculator every 2 months. Most recently, Construction Calculator Master was updated on November 3, 2026 and KW Calculator on November 3, 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.*