# A vs Structural Engineering Calc.

The clearest difference is rating: Structural Engineering Calc. at 4.5 against A's 2.3. Structural Engineering Calc. also leads on ratings volume (20 vs 3). A's advantage is update cadence (every 6 weeks vs every 10 months) and review sentiment (15% vs 0%). On ads, in-app purchases, monetization model and device support there is nothing between them.

A costs $4.99 and Structural Engineering Calc. $5.99 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 2.3. That said, the two scores are not equally well evidenced: Structural Engineering Calc. has 20 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 15% of A's written reviews are positive against 0% of Structural Engineering Calc.'s, so the app with the better star average is not the one people write more warmly about.

A ships an update every 6 weeks, Structural Engineering Calc. every 10 months. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | A | Structural Engineering Calc. |
| --- | --- | --- |
| Price | **$4.99** | $5.99 |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/a-truss/id412684176/reviews) | **[4.5 (20 ratings)](https://appshunter.io/ios/app/structural-engineering-calc/id590507987/reviews)** |
| Number of ratings | 3 | **20** |
| Positive reviews | **15.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 10 months |
| Monetization | Paid | Paid |
| Best chart rank | **#191** | — |
| Size | 47 MB | 6 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jutarus Ratanasethakul](https://appshunter.io/developer/1454380236) | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-truss/id412684176)

**Currently charting:** #191 Top Paid · Productivity (US App Store)

Analyze 2D truss problems quickly on your mobile device. Create standard or custom truss structures, manage material properties, and generate PDF reports with flexible unit options.

**Highlights:** Standard truss templates (18 types), Custom truss creation, Flexible unit system, Built-in material library, PDF reporting and email export

**In-app purchases:** none


### 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


## Frequently asked questions

### Is A free?

A costs $4.99, with no in-app purchases.

### Is Structural Engineering Calc. free?

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

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

Structural Engineering Calc. is rated higher. A averages 2.3 out of 5 from 3 ratings, while Structural Engineering Calc. averages 4.5 from 20 ratings.

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

Neither A nor Structural Engineering Calc. shows ads.

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

A ships an update every 6 weeks, and Structural Engineering Calc. every 10 months. Most recently, A was updated on September 10, 2026 and Structural Engineering Calc. on September 18, 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.*