# Deflection Pro vs PVVS

The clearest difference is price: PVVS at Free against Deflection Pro's $19.99. Deflection Pro's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

PVVS is free to download; Deflection Pro costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Deflection Pro ships an update every 5 weeks, PVVS every 2 months. The most recent releases landed on September 17, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Deflection Pro | PVVS |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[4.7 (16 ratings)](https://appshunter.io/ios/app/deflection-pro/id1217160203/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Paid | — |
| Size | 163 MB | 7 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Ketchep](https://appshunter.io/developer/1131834248) | [sigeyosi kanenishi](https://appshunter.io/developer/629958778) |

## What reviewers say

### 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


### PVVS

[App page](https://appshunter.io/ios/app/pvvs/id1476646663)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Deflection Pro free?

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

### Is PVVS free?

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

### Do Deflection Pro or PVVS have ads?

PVVS shows ads; Deflection Pro does not.

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

Deflection Pro ships an update every 5 weeks, and PVVS every 2 months. Most recently, Deflection Pro was updated on September 17, 2026 and PVVS on September 8, 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.*