# Structural Engineering Calc. vs A

The clearest difference is rating: Structural Engineering Calc. at 4.5 against A's 1.0. Structural Engineering Calc. also leads on price ($5.99 vs $9.99) and ratings volume (20 vs 1). A's advantage is update cadence (fortnightly vs every 10 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

Structural Engineering Calc. costs $5.99 and A $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Structural Engineering Calc. holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Structural Engineering Calc. has 20 ratings behind it against 1, so its average is the more settled of the two.

Structural Engineering Calc. ships an update every 10 months, A fortnightly. The most recent releases landed on September 18, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Structural Engineering Calc. | A |
| --- | --- | --- |
| Price | **$5.99** | $9.99 |
| Rating | **[4.5 (20 ratings)](https://appshunter.io/ios/app/structural-engineering-calc/id590507987/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/a-frame3d-pro/id1207537713/reviews) |
| Number of ratings | **20** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Fortnightly** |
| Monetization | Paid | Paid |
| Size | 6 MB | 23 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Jutarus Ratanasethakul](https://appshunter.io/developer/1454380236) |

## What reviewers say

### Structural Engineering Calc.

[App page](https://appshunter.io/ios/app/structural-engineering-calc/id590507987)

This app provides 59 essential structural engineering formulas for columns, beams, base plates, composite beams, and connections. It offers instant demand/capacity checks, a built-in AISC section database, and material references, supporting both USCS and SI units for on-site or office use.

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

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

**In-app purchases:** none


### A

[App page](https://appshunter.io/ios/app/a-frame3d-pro/id1207537713)

Analyze complex 3D space frames with this powerful yet easy-to-use application. Input node coordinates, member alignments, and material properties to solve structures and view step-by-step calculations. Visualize deformations and generate shear force and bending moment diagrams.

**Highlights:** 3D space frame analysis, Stiffness Matrix Method, Step-by-step calculation display, Equilibrium check, Deformation visualization, Shear Force & Bending Moment Diagrams

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

**In-app purchases:** none


## Frequently asked questions

### Is Structural Engineering Calc. free?

Structural Engineering Calc. costs $5.99, with no in-app purchases.

### Is A free?

A costs $9.99, with no in-app purchases.

### Which has better reviews, Structural Engineering Calc. or A?

Structural Engineering Calc. is rated higher. Structural Engineering Calc. averages 4.5 out of 5 from 20 ratings, while A averages 1.0 from 1 ratings.

### Do Structural Engineering Calc. or A have ads?

Neither Structural Engineering Calc. nor A shows ads.

### Which is updated more often, Structural Engineering Calc. or A?

Structural Engineering Calc. ships an update every 10 months, and A fortnightly. Most recently, Structural Engineering Calc. was updated on September 18, 2026 and A on September 28, 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.*