# HaqqConstructionCalculator vs SteelSolve

The clearest difference is in-app purchases: HaqqConstructionCalculator at none against SteelSolve's 1. HaqqConstructionCalculator also leads on iOS requirement (13.0 vs 17.0). SteelSolve's advantage is ratings volume (4 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. SteelSolve sells 1 one-off in-app purchase. HaqqConstructionCalculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for HaqqConstructionCalculator against 5.0 for SteelSolve. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

HaqqConstructionCalculator ships an update every 2 months, SteelSolve monthly. The most recent releases landed on June 7, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | HaqqConstructionCalculator | SteelSolve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/haqqconstructioncalculator/id6741587206/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/steelsolve/id6758196732/reviews) |
| Number of ratings | 1 | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 21 MB | 13 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Haqq Technology](https://appshunter.io/developer/1794772805) | [Heber Harker](https://appshunter.io/developer/1871382194) |

## What reviewers say

### HaqqConstructionCalculator

[App page](https://appshunter.io/ios/app/haqqconstructioncalculator/id6741587206)

This utility app simplifies imperial unit calculations for construction, design, and DIY projects. It offers instant conversions for feet, inches, square feet, and cubic yards, supporting mixed fractions and offline use.

**Highlights:** Imperial unit conversions, Feet, inches, square feet, cubic yards, Mixed fraction support, Offline functionality, Ad-free interface

**Features:** macOS Compatibility

**In-app purchases:** none


### SteelSolve

[App page](https://appshunter.io/ios/app/steelsolve/id6758196732)

This app simplifies complex calculations for construction professionals. It supports various units, allows for easy expression editing, and provides instant results as you type. Features include built-in functions for rise, run, diagonal, and slope, along with estimating capabilities.

**Highlights:** Feet, Inch, and Fraction Input, Unit Assignment and Conversion, Full Expression Editing, Instant Results as You Type, History Tape for Previous Entries, Rise, Run, Diagonal, and Slope Functions, Estimating Functions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Custom | $12.99 | one-time |


## Frequently asked questions

### Is HaqqConstructionCalculator free?

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

### Is SteelSolve free?

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

### Which has better reviews, HaqqConstructionCalculator or SteelSolve?

HaqqConstructionCalculator and SteelSolve are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do HaqqConstructionCalculator or SteelSolve have ads?

Neither HaqqConstructionCalculator nor SteelSolve shows ads.

### Which is updated more often, HaqqConstructionCalculator or SteelSolve?

HaqqConstructionCalculator ships an update every 2 months, and SteelSolve monthly. Most recently, HaqqConstructionCalculator was updated on June 7, 2026 and SteelSolve on September 19, 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.*