# A vs Deflection

The clearest difference is review sentiment: Deflection at 74% against A's 26%. Deflection also leads on rating (4.6 vs 2.3) and ratings volume (115 vs 3). A's advantage is chart position (#192 vs unranked). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Deflection holds the better App Store score, 4.6 against 2.3. That said, the two scores are not equally well evidenced: Deflection has 115 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 26% of A's written reviews are positive against 74% of Deflection's.

A ships an update every 5 weeks, Deflection every 6 weeks. The most recent releases landed on October 26, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | A | Deflection |
| --- | --- | --- |
| Price | $4.99 | $4.99 |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/a-truss-pro/id412684176/reviews) | **[4.6 (115 ratings)](https://appshunter.io/ios/app/deflection/id670400597/reviews)** |
| Number of ratings | 3 | **115** |
| Positive reviews | 26.5% of reviews | **73.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Paid | Paid |
| Best chart rank | **#192** | — |
| Size | 10 MB | 160 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| 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-pro/id412684176)

**Currently charting:** #192 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

[App page](https://appshunter.io/ios/app/deflection/id670400597)

Calculate structural behavior for beams, 2D trusses, and 2D frames. Visualize reaction forces, shear, bending moment, and deflection. Analyze internal stresses along the beam and cross-section.

**Highlights:** Beam, 2D truss, and 2D frame analysis, Graphical output of results, Internal shear and bending stress calculation, 2D frame and truss editor, Cross-section editor with automatic calculations, Built-in database and quick-start templates

**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 free?

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

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

Deflection is rated higher. A averages 2.3 out of 5 from 3 ratings, while Deflection averages 4.6 from 115 ratings.

### Do A or Deflection have ads?

Neither A nor Deflection shows ads.

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

A ships an update every 5 weeks, and Deflection every 6 weeks. Most recently, A was updated on October 26, 2026 and Deflection on November 1, 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.*