# Construction Calculator vs RafterMate

The clearest difference is update cadence: Construction Calculator at every 2 weeks against RafterMate's every 2 months. Construction Calculator also leads on iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Construction Calculator sells 15 in-app purchases, starting at $2.99 per 7 days and RafterMate sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Construction Calculator ships an update every 2 weeks, RafterMate every 2 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Construction Calculator | RafterMate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (24 ratings)](https://appshunter.io/ios/app/construction-calculator-pro/id6753908597/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 62 MB | 2 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Shapkin Dev](https://appshunter.io/developer/1845645309) | [Cortex AI LLC](https://appshunter.io/developer/1896521564) |

## What reviewers say

### Construction Calculator

[App page](https://appshunter.io/ios/app/construction-calculator-pro/id6753908597)

This app provides a comprehensive suite of tools for construction professionals and DIY enthusiasts. It offers precise calculations for decking, roofing, stairs, concrete, and more, with support for both metric and imperial units. Designed for jobsite use, it works offline and provides clear visuals for accurate on-site measurements.

**Highlights:** Decking and flooring calculations, Roofing material and coverage estimators, Stair and stringer rise/run calculations, Concrete, asphalt, and gravel volume estimators, Slope, pitch, and angle framing helpers, Unit converter with mixed-unit support, Offline functionality

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Carpenter PRO - Weekly | $2.99 | per 7 days |
| Full Access — Weekly | $5.99 | per 7 days |
| Carpenter PRO — Annual | $19.99 | per year |
| Full Access — Annual | $39.99 | per year |
| RL Level & Benchmark Calculator | $3.99 | one-time |
| Gravel Volume Calculator | $3.99 | one-time |
| Stair Stringer & Rise Run Calc | $3.99 | one-time |
| Soil Excavation Volume Calculator | $3.99 | one-time |
| Asphalt Tonnage Calculator | $3.99 | one-time |
| Right Triangle & Pitch Calculator | $3.99 | one-time |
| Running Measurements Calculator | $3.99 | one-time |
| Unit Converter: Feet & Metric | $3.99 | one-time |
| Paint Area Coverage Estimator | $3.99 | one-time |
| Lifetime Access | $39.99 | one-time |
| Lifetime Access | $79.99 | one-time |


### RafterMate

[App page](https://appshunter.io/ios/app/raftermate-construction-calc/id6776940075)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Tools Unlock | $9.99 | one-time |


## Frequently asked questions

### Is Construction Calculator free?

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

### Is RafterMate free?

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

### Do Construction Calculator or RafterMate have ads?

Neither Construction Calculator nor RafterMate shows ads.

### Which is updated more often, Construction Calculator or RafterMate?

Construction Calculator ships an update every 2 weeks, and RafterMate every 2 months. Most recently, Construction Calculator was updated on October 30, 2026 and RafterMate on October 28, 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.*