# Carpentry Formulator vs Construction Calc Pro 7

The clearest difference is rating: Construction Calc Pro 7 at 4.3 against Carpentry Formulator's 3.8. Construction Calc Pro 7 also leads on ratings volume (28 vs 4) and iOS requirement (15.6 vs 18.6). Carpentry Formulator's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. Carpentry Formulator sells 1 one-off in-app purchase and Construction Calc Pro 7 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Construction Calc Pro 7 holds the better App Store score, 4.3 against 3.8. That said, the two scores are not equally well evidenced: Construction Calc Pro 7 has 28 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 25% and 25% positive.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Carpentry Formulator | Construction Calc Pro 7 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/carpentry-formulator/id305583131/reviews) | **[4.3 (28 ratings)](https://appshunter.io/ios/app/construction-calc-pro-7/id1419339827/reviews)** |
| Number of ratings | 4 | **28** |
| Positive reviews | 25.0% of reviews | 25.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 88 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Historycentral.com](https://appshunter.io/developer/1744330560) | [Troy Knight](https://appshunter.io/developer/1419339802) |

## What reviewers say

### Carpentry Formulator

[App page](https://appshunter.io/ios/app/carpentry-formulator/id305583131)

This app provides over 150 formulas and dozens of conversions for carpenters and builders. It calculates loads on walls and headers, material quantities for projects, and dimensions for roofing and stairs. It also includes area and volume calculations for various shapes.

**Highlights:** Load calculations for walls and headers, Material quantity estimation (joists, studs, concrete), Roofing and stair dimension calculations, Area and volume formulas for geometric shapes, Dozens of unit conversion tools, Shareable calculation results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Features | $2.99 | one-time |


### Construction Calc Pro 7

[App page](https://appshunter.io/ios/app/construction-calc-pro-7/id1419339827)

This app offers a comprehensive suite of 82 construction calculators for various tasks like concrete, drywall, and roofing. It allows measurements in both imperial and metric units and features a high-visibility display for use in direct sunlight.

**Highlights:** 82 construction calculators, Imperial and metric measurements, High visibility display, Aggregate, asphalt, concrete calculations, Drywall, flooring, framing tools, Paint, rafter, roofing calculators

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium ad-free version | $3.99 | one-time |


## Frequently asked questions

### Is Carpentry Formulator free?

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

### Is Construction Calc Pro 7 free?

Construction Calc Pro 7 is free to download, with in-app purchases available.

### Which has better reviews, Carpentry Formulator or Construction Calc Pro 7?

Construction Calc Pro 7 is rated higher. Carpentry Formulator averages 3.8 out of 5 from 4 ratings, while Construction Calc Pro 7 averages 4.3 from 28 ratings.

### Do Carpentry Formulator or Construction Calc Pro 7 have ads?

Construction Calc Pro 7 shows ads; Carpentry Formulator does not.

### Which is updated more often, Carpentry Formulator or Construction Calc Pro 7?

Carpentry Formulator ships an update every 2 months, and Construction Calc Pro 7 every 2 months. Most recently, Carpentry Formulator was updated on October 6, 2026 and Construction Calc Pro 7 on October 8, 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.*