# Deflection vs 实用结构静力计算

The clearest difference is price: Deflection at $4.99 against 实用结构静力计算's $12.99. Deflection also leads on update cadence (every 6 weeks vs every 6 months) and review sentiment (74% vs 56%). 实用结构静力计算's advantage is iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Deflection costs $4.99 and 实用结构静力计算 $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Deflection ships an update every 6 weeks, 实用结构静力计算 every 6 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Deflection | 实用结构静力计算 |
| --- | --- | --- |
| Price | **$4.99** | $12.99 |
| Rating | **[4.6 (115 ratings)](https://appshunter.io/ios/app/deflection/id670400597/reviews)** | — |
| Number of ratings | **115** | — |
| Positive reviews | **73.6% of reviews** | 55.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | Paid | — |
| Size | 160 MB | 64 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Ketchep](https://appshunter.io/developer/1131834248) | [疆 边](https://appshunter.io/developer/1124320934) |

## What reviewers say

### 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


### 实用结构静力计算

[App page](https://appshunter.io/ios/app/id1185307976)

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

**In-app purchases:** none


## Frequently asked questions

### Is Deflection free?

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

### Is 实用结构静力计算 free?

实用结构静力计算 costs $12.99, with no in-app purchases.

### Do Deflection or 实用结构静力计算 have ads?

Neither Deflection nor 实用结构静力计算 shows ads.

### Which is updated more often, Deflection or 实用结构静力计算?

Deflection ships an update every 6 weeks, and 实用结构静力计算 every 6 months. Most recently, Deflection was updated on November 6, 2026 and 实用结构静力计算 on November 2, 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.*