# Construction Calculator Pro #1 vs STRUCT Construction Calculator

The clearest difference is update cadence: STRUCT Construction Calculator at every 4 months against Construction Calculator Pro #1's every 12 months. STRUCT Construction Calculator also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Construction Calculator Pro #1 ships an update every 12 months, STRUCT Construction Calculator every 4 months. The most recent releases landed on September 27, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Construction Calculator Pro #1 | STRUCT Construction Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (96 ratings)](https://appshunter.io/ios/app/construction-calculator-pro-1/id6748603879/reviews)** | — |
| Number of ratings | **96** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 15 MB | 16 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Oryx](https://appshunter.io/developer/1778234263) | [MOBILEXAPPS MB](https://appshunter.io/developer/1685170475) |

## What reviewers say

### Construction Calculator Pro #1

[App page](https://appshunter.io/ios/app/construction-calculator-pro-1/id6748603879)

This app provides advanced construction math tools for builders and contractors. It offers precise calculations for framing, material estimation, and complex angles, helping to reduce errors and save time on the job.

**Highlights:** Dimensional conversions (feet-inch, decimal, metric), Rafter, stair, and angle calculations, Area, volume, and material estimations, Roofing, drywall, and siding estimates, Quick input with preset fraction buttons

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

**In-app purchases:** none


### STRUCT Construction Calculator

[App page](https://appshunter.io/ios/app/struct-construction-calculator/id6758335610)

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

**In-app purchases:** none


## Frequently asked questions

### Is Construction Calculator Pro #1 free?

Construction Calculator Pro #1 is free to download, with no in-app purchases.

### Is STRUCT Construction Calculator free?

STRUCT Construction Calculator is free to download, with no in-app purchases.

### Do Construction Calculator Pro #1 or STRUCT Construction Calculator have ads?

Neither Construction Calculator Pro #1 nor STRUCT Construction Calculator shows ads.

### Which is updated more often, Construction Calculator Pro #1 or STRUCT Construction Calculator?

Construction Calculator Pro #1 ships an update every 12 months, and STRUCT Construction Calculator every 4 months. Most recently, Construction Calculator Pro #1 was updated on September 27, 2026 and STRUCT Construction Calculator on September 25, 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.*