# Construction Calculator+++ vs RPNu

The clearest difference is price: RPNu at Free against Construction Calculator+++'s $2.99. RPNu also leads on update cadence (every 2 months vs every 19 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

RPNu is free to download; Construction Calculator+++ costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Construction Calculator+++ ships an update every 19 months, RPNu every 2 months. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Construction Calculator+++ | RPNu |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/construction-calculator-plus-plus-plus/id879903072/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 3 MB | 49 MB |
| Requires iOS | **14.4** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dogahe](https://appshunter.io/developer/468657946) | [Scott Johnson](https://appshunter.io/developer/580251998) |

## What reviewers say

### Construction Calculator+++

[App page](https://appshunter.io/ios/app/construction-calculator-plus-plus-plus/id879903072)

This app streamlines construction math with modules for length, width, and height calculations, material estimation for bricks and drywall, and complex rafter calculations. It also includes tools for circle and arc parameters, offering detailed visualizations.

**Highlights:** Length, width, height calculations, Material estimation (bricks, drywall), Rafter calculations (hip, valley, jack), Circle and arc parameter solver, Unit conversions (feet, inches, yards), Visualizations of geometric shapes

**In-app purchases:** none


### RPNu

[App page](https://appshunter.io/ios/app/rpnu/id1195709318)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Construction Calculator+++ free?

Construction Calculator+++ costs $2.99, with no in-app purchases.

### Is RPNu free?

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

### Do Construction Calculator+++ or RPNu have ads?

Neither Construction Calculator+++ nor RPNu shows ads.

### Which is updated more often, Construction Calculator+++ or RPNu?

Construction Calculator+++ ships an update every 19 months, and RPNu every 2 months. Most recently, Construction Calculator+++ was updated on October 15, 2026 and RPNu on October 12, 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.*