# Halcyon Calc vs Construction Calculator+++

The clearest difference is update cadence: Halcyon Calc at every 4 months against Construction Calculator+++'s every 19 months. Halcyon Calc also leads on ratings volume (18 vs 3). Construction Calculator+++'s advantage is price ($2.99 vs $4.99) and iOS requirement (14.4 vs 16.6). On rating, review sentiment, ads and in-app purchases there is nothing between them.

Halcyon Calc costs $4.99 and Construction Calculator+++ $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Halcyon Calc against 5.0 for Construction Calculator+++. That said, the two scores are not equally well evidenced: Halcyon Calc has 18 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Halcyon Calc ships an update every 4 months, Construction Calculator+++ every 19 months. The most recent releases landed on September 22, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Halcyon Calc | Construction Calculator+++ |
| --- | --- | --- |
| Price | $4.99 | **$2.99** |
| Rating | [4.9 (18 ratings)](https://appshunter.io/ios/app/halcyon-calc/id327064659/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/construction-calculator-plus-plus-plus/id879903072/reviews)** |
| Number of ratings | **18** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 19 months |
| Monetization | Paid | Paid |
| Size | 10 MB | 3 MB |
| Requires iOS | 16.6 | **14.4** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Halcyon Touch Software](https://appshunter.io/developer/327064662) | [Dogahe](https://appshunter.io/developer/468657946) |

## What reviewers say

### Halcyon Calc

[App page](https://appshunter.io/ios/app/halcyon-calc/id327064659)

A powerful calculator app for students, engineers, and scientists. It handles complex numbers, symbolic expressions, unit conversions, and matrix operations, with advanced plotting and programming capabilities.

**Highlights:** Complex number calculations, Symbolic expression manipulation, Unit conversion with custom units, Matrix and vector operations, Symbolic plotting, Programming of custom operations, Statistical data analysis

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Halcyon Calc free?

Halcyon Calc costs $4.99, with no in-app purchases.

### Is Construction Calculator+++ free?

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

### Which has better reviews, Halcyon Calc or Construction Calculator+++?

Construction Calculator+++ is rated higher. Halcyon Calc averages 4.9 out of 5 from 18 ratings, while Construction Calculator+++ averages 5.0 from 3 ratings.

### Do Halcyon Calc or Construction Calculator+++ have ads?

Neither Halcyon Calc nor Construction Calculator+++ shows ads.

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

Halcyon Calc ships an update every 4 months, and Construction Calculator+++ every 19 months. Most recently, Halcyon Calc was updated on September 22, 2026 and Construction Calculator+++ on September 29, 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.*