# Construction Calculator Pro #1 vs OpusCalc Pro

The clearest difference is in-app purchases: Construction Calculator Pro #1 at none against OpusCalc Pro's 2. OpusCalc Pro's advantage is update cadence (every 3 weeks vs every 12 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. OpusCalc Pro sells 2 in-app purchases, starting at $2.99 per month. Construction Calculator Pro #1 asks for nothing beyond the download.

Construction Calculator Pro #1 ships an update every 12 months, OpusCalc Pro every 3 weeks. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Construction Calculator Pro #1 | OpusCalc Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (97 ratings)](https://appshunter.io/ios/app/construction-calculator-pro-1/id6748603879/reviews)** | — |
| Number of ratings | **97** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 15 MB | 50 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Oryx](https://appshunter.io/developer/1778234263) | [RM Digital Enterprise LLC](https://appshunter.io/developer/1847091059) |

## 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


### OpusCalc Pro

[App page](https://appshunter.io/ios/app/opuscalc-pro-contractor-calc/id6759811821)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpusCalc Pro | $2.99 | per month |
| OpusCalc Pro | $19.99 | per year |


## Frequently asked questions

### Is Construction Calculator Pro #1 free?

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

### Is OpusCalc Pro free?

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

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

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

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

Construction Calculator Pro #1 ships an update every 12 months, and OpusCalc Pro every 3 weeks. Most recently, Construction Calculator Pro #1 was updated on October 24, 2026 and OpusCalc Pro 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.*