# Structural Engineering lite vs WeldCalcs

The clearest difference is price: Structural Engineering lite at Free against WeldCalcs's $1.99. Structural Engineering lite also leads on ratings volume (19 vs 1) and update cadence (every 6 months vs every 15 months). WeldCalcs's advantage is rating (5.0 vs 4.2) and in-app purchases (none vs 1). On device support there is nothing between them.

Structural Engineering lite is free to download; WeldCalcs costs $1.99 up front. Structural Engineering lite sells 1 one-off in-app purchase. WeldCalcs asks for nothing beyond the download.

WeldCalcs holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Structural Engineering lite has 19 ratings behind it against 1, so its average is the more settled of the two.

Structural Engineering lite ships an update every 6 months, WeldCalcs every 15 months. The most recent releases landed on September 18, 2026 and June 27, 2026 respectively.

## The numbers

| Metric | Structural Engineering lite | WeldCalcs |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.2 (19 ratings)](https://appshunter.io/ios/app/structural-engineering-lite/id638690043/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/weldcalcs/id1422441562/reviews)** |
| Number of ratings | **19** | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 months** | Every 15 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 6 MB | 17 MB |
| Requires iOS | **17.6** | 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

### Structural Engineering lite

[App page](https://appshunter.io/ios/app/structural-engineering-lite/id638690043)

This app provides engineers with essential structural formulas and calculations for civil construction projects. It offers instant results, demand/capacity checks, and a built-in database of materials and sections, all accessible on mobile devices.

**Highlights:** 59 structural formulas (AISC/ACI), Instant demand/capacity checks, Built-in AISC section database, Material and code references, USCS & SI unit support, Pass/Fail visual indicator

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Structural Engineering Calc. | $5.99 | one-time |


### WeldCalcs

[App page](https://appshunter.io/ios/app/weldcalcs/id1422441562)

This engineering calculator app assists in the preliminary sizing of fillet welds for steel construction. It computes section properties for typical welding patterns, allowing users to input dimensions and applied forces/moments to determine the maximum resisting resultant force and initial weld size.

**Highlights:** Fillet weld design sizing, Section property calculation, Elastic Method calculations, Input dimensions and forces, Determines maximum resisting force, Reference equations available

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Structural Engineering lite free?

Structural Engineering lite is free to download, with in-app purchases available.

### Is WeldCalcs free?

WeldCalcs costs $1.99, with no in-app purchases.

### Which has better reviews, Structural Engineering lite or WeldCalcs?

WeldCalcs is rated higher. Structural Engineering lite averages 4.2 out of 5 from 19 ratings, while WeldCalcs averages 5.0 from 1 ratings.

### Do Structural Engineering lite or WeldCalcs have ads?

Structural Engineering lite shows ads; WeldCalcs does not.

### Which is updated more often, Structural Engineering lite or WeldCalcs?

Structural Engineering lite ships an update every 6 months, and WeldCalcs every 15 months. Most recently, Structural Engineering lite was updated on September 18, 2026 and WeldCalcs on June 27, 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.*