# A vs Deflection Lite

The clearest difference is price: Deflection Lite at Free against A's $4.99. Deflection Lite also leads on rating (4.5 vs 2.3) and review sentiment (44% vs 15%). A's advantage is update cadence (every 6 weeks vs every 3 months) and chart position (#191 vs unranked). On ads, in-app purchases, monetization model and device support there is nothing between them.

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

Deflection Lite holds the better App Store score, 4.5 against 2.3. That said, the two scores are not equally well evidenced: Deflection Lite has 46 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 44% of Deflection Lite's.

A ships an update every 6 weeks, Deflection Lite every 3 months. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | A | Deflection Lite |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/a-truss/id412684176/reviews) | **[4.5 (46 ratings)](https://appshunter.io/ios/app/deflection-lite/id974474071/reviews)** |
| Number of ratings | 3 | **46** |
| Positive reviews | 15.0% of reviews | **44.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Paid | Paid |
| Best chart rank | **#191** | — |
| Size | 47 MB | 108 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/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 Lite

[App page](https://appshunter.io/ios/app/deflection-lite/id974474071)

This app provides interactive and precise structural beam analysis. Easily visualize beam bending by dragging loads and supports, and calculate key engineering results like reactions, shear force, and bending moment.

**Highlights:** Interactive beam bending visualization, Calculate reactions, shear force, and bending moment, Built-in cross-section databases, Unlimited loads and supports, Export design to shareable permalink, Metric and standard units

**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 Lite free?

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

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

Deflection Lite is rated higher. A averages 2.3 out of 5 from 3 ratings, while Deflection Lite averages 4.5 from 46 ratings.

### Do A or Deflection Lite have ads?

Neither A nor Deflection Lite shows ads.

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

A ships an update every 6 weeks, and Deflection Lite every 3 months. Most recently, A was updated on September 10, 2026 and Deflection Lite on September 17, 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.*