# Construction Calculator Master vs Slope Calc

The clearest difference is in-app purchases: Slope Calc at none against Construction Calculator Master's 10. Construction Calculator Master's advantage is update cadence (fortnightly vs every 34 months) and iOS requirement (11.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Construction Calculator Master sells 10 in-app purchases, starting at $0.99 per 7 days. Slope Calc asks for nothing beyond the download.

Construction Calculator Master ships an update fortnightly, Slope Calc every 34 months. The most recent releases landed on October 23, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Construction Calculator Master | Slope Calc |
| --- | --- | --- |
| Price | Free | Free |
| 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 34 months |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 19 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Uncaught Exception Inc](https://appshunter.io/developer/1457411536) | [Abdul Rehman](https://appshunter.io/developer/1606519308) |

## 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 |


### Slope Calc

[App page](https://appshunter.io/ios/app/slope-calc-step-by-step/id6447863172)

**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 Slope Calc free?

Slope Calc is free to download, with no in-app purchases.

### Do Construction Calculator Master or Slope Calc have ads?

Neither Construction Calculator Master nor Slope Calc shows ads.

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

Construction Calculator Master ships an update fortnightly, and Slope Calc every 34 months. Most recently, Construction Calculator Master was updated on October 23, 2026 and Slope Calc on October 17, 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.*