# Highways & Roadwork Calculator vs WeldEquations

The clearest difference is price: WeldEquations at Free against Highways & Roadwork Calculator's $2.99. WeldEquations also leads on update cadence (every 12 months vs every 31 months). Highways & Roadwork Calculator's advantage is iOS requirement (16.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

WeldEquations is free to download; Highways & Roadwork Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Highways & Roadwork Calculator ships an update every 31 months, WeldEquations every 12 months. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Highways & Roadwork Calculator | WeldEquations |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/highways-and-roadwork-calculator/id661032270/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 12 months** |
| Monetization | Paid | — |
| Size | 6 MB | 7 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Glendale Coding Labs, Inc](https://appshunter.io/developer/1266859626) |

## What reviewers say

### Highways & Roadwork Calculator

[App page](https://appshunter.io/ios/app/highways-and-roadwork-calculator/id661032270)

This app provides 37 calculators for civil engineering tasks related to highways and roads. It supports both Imperial (USCS) and Metric (SI) units for various calculations, including curves, grades, and structural elements.

**Highlights:** 37 specialized calculators, Highway and road engineering, Imperial (USCS) and Metric (SI) units, Circular curve calculations, Parabolic curve calculations, Structural number calculations, Pipe and culvert design

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

**In-app purchases:** none


### WeldEquations

[App page](https://appshunter.io/ios/app/weldequations/id1266859627)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Highways & Roadwork Calculator free?

Highways & Roadwork Calculator costs $2.99, with no in-app purchases.

### Is WeldEquations free?

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

### Do Highways & Roadwork Calculator or WeldEquations have ads?

Neither Highways & Roadwork Calculator nor WeldEquations shows ads.

### Which is updated more often, Highways & Roadwork Calculator or WeldEquations?

Highways & Roadwork Calculator ships an update every 31 months, and WeldEquations every 12 months. Most recently, Highways & Roadwork Calculator was updated on November 4, 2026 and WeldEquations on November 3, 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.*