# A vs Deflection Pro

The clearest difference is review sentiment: Deflection Pro at 69% against A's 0%. Deflection Pro also leads on device support (4 vs 2) and iOS requirement (15.0 vs 18.6). A's advantage is price ($9.99 vs $19.99) and update cadence (every 2 weeks vs every 5 weeks). On ads, in-app purchases and monetization model there is nothing between them.

A costs $9.99 and Deflection Pro $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

A ships an update every 2 weeks, Deflection Pro every 5 weeks. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | A | Deflection Pro |
| --- | --- | --- |
| Price | **$9.99** | $19.99 |
| Rating | — | **[4.7 (16 ratings)](https://appshunter.io/ios/app/deflection-pro/id1217160203/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | 0.0% of reviews | **69.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Paid | Paid |
| Size | 10 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-truss3d-pro/id1201673511)

Analyze space trusses with this tool designed for structural engineers and students. It offers detailed solutions including node displacements, member forces, and stress, with an intuitive 3D interface and an assistant for complex truss creation.

**Highlights:** 3D graphics and UI, Node displacements, member forces, and stress calculations, Truss Assistant Creator for automatic generation, Direct Stiffness Matrix solver, Multiple viewing options (Proportion, Equal, Wireframe), PDF report generation, Support for large space trusses

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

**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 $9.99, with no in-app purchases.

### Is Deflection Pro free?

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

### 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 2 weeks, and Deflection Pro every 5 weeks. Most recently, A was updated on October 6, 2026 and Deflection Pro on October 4, 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.*