# iTruss vs A

The clearest difference is price: iTruss at Free against A's $4.99. iTruss also leads on rating (4.1 vs 2.3) and ratings volume (15 vs 3). A's advantage is update cadence (every 5 weeks vs every 23 months). On in-app purchases and device support there is nothing between them.

iTruss is free to download; A costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iTruss holds the better App Store score, 4.1 against 2.3. That said, the two scores are not equally well evidenced: iTruss has 15 ratings behind it against 3, so its average is the more settled of the two.

iTruss ships an update every 23 months, A every 5 weeks. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | iTruss | A |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.1 (15 ratings)](https://appshunter.io/ios/app/itruss/id363376468/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/a-truss-pro/id412684176/reviews) |
| Number of ratings | **15** | 3 |
| Positive reviews | — | 26.5% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 23 months | **Every 5 weeks** |
| Monetization | **Free** | Paid |
| Size | 70 MB | 10 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Xtreme Structures & Fabrication LLC](https://appshunter.io/developer/363376471) | [Jutarus Ratanasethakul](https://appshunter.io/developer/1454380236) |

## What reviewers say

### iTruss

[App page](https://appshunter.io/ios/app/itruss/id363376468)

Calculate structural loads, spans, and truss requirements for construction projects directly from your iPhone. This tool simplifies complex engineering calculations for field use.

**Highlights:** Load calculation, Span determination, Truss analysis, Field use optimization, Engineering calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### A

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

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


## Frequently asked questions

### Is iTruss free?

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

### Is A free?

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

### Which has better reviews, iTruss or A?

iTruss is rated higher. iTruss averages 4.1 out of 5 from 15 ratings, while A averages 2.3 from 3 ratings.

### Which is updated more often, iTruss or A?

iTruss ships an update every 23 months, and A every 5 weeks. Most recently, iTruss was updated on October 2, 2026 and A on October 14, 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.*