# A vs Deflection Pro

The clearest difference is review sentiment: Deflection Pro at 69% against A's 15%. Deflection Pro also leads on rating (4.7 vs 2.3) and ratings volume (16 vs 3). A's advantage is price ($4.99 vs $19.99) and chart position (#191 vs unranked). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

A costs $4.99 and Deflection Pro $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Deflection Pro holds the better App Store score, 4.7 against 2.3. That said, the two scores are not equally well evidenced: Deflection Pro has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 15% of A's written reviews are positive against 69% of Deflection Pro's.

A ships an update every 6 weeks, Deflection Pro every 5 weeks. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | A | Deflection Pro |
| --- | --- | --- |
| Price | **$4.99** | $19.99 |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/a-truss/id412684176/reviews) | **[4.7 (16 ratings)](https://appshunter.io/ios/app/deflection-pro/id1217160203/reviews)** |
| Number of ratings | 3 | **16** |
| Positive reviews | 15.0% of reviews | **69.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | **#191** | — |
| Size | 47 MB | 163 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Jutarus Ratanasethakul](https://appshunter.io/developer/1454380236) | [Blue Ketchep](https://appshunter.io/developer/1131834248) |

## 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


### Deflection Pro

[App page](https://appshunter.io/ios/app/deflection-pro/id1217160203)

This advanced structural analysis calculator assists engineers with beam, truss, and frame design. It generates load combinations based on American and European standards and performs detailed beam column capacity checks. Results are presented intuitively, with options to export to PDF and save files.

**Highlights:** Beam, truss, and frame analysis, Load combination generation (US & EU standards), Beam column capacity checks (flexure, shear, tension, compression), Detailed design checks for various buckling types, PDF export, Save to external file

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is A free?

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

### Is Deflection Pro free?

Deflection Pro costs $19.99, with no in-app purchases.

### Which has better reviews, A or Deflection Pro?

Deflection Pro is rated higher. A averages 2.3 out of 5 from 3 ratings, while Deflection Pro averages 4.7 from 16 ratings.

### Do A or Deflection Pro have ads?

Neither A nor Deflection Pro shows ads.

### Which is updated more often, A or Deflection Pro?

A ships an update every 6 weeks, and Deflection Pro every 5 weeks. Most recently, A was updated on September 10, 2026 and Deflection Pro on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*