# CSiSections vs Structer

The clearest difference is iOS requirement: CSiSections at 9.0 against Structer's 26.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CSiSections | Structer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/structer/id6757365251/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | — | Free |
| Size | 12 MB | 6 MB |
| Requires iOS | **9.0** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Computers and Structures, Inc.](https://appshunter.io/developer/1119970032) | [RUI CHEN](https://appshunter.io/developer/1866395822) |

## What reviewers say

### CSiSections

[App page](https://appshunter.io/ios/app/csisections/id1344131515)

**In-app purchases:** none


### Structer

[App page](https://appshunter.io/ios/app/structer/id6757365251)

This structural analysis toolbox offers clear calculations and visualizations for aerospace engineering students and practicing engineers. It covers common problems in aircraft structural analysis and sizing, suitable for educational use and preliminary analysis.

**Highlights:** Section Properties & Stress calculations, Beam Internal Loads analysis, 2D Stress Mohr's Circle, Elastic Column Buckling (Euler), Stress due to Axial and Bending Loads

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CSiSections free?

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

### Is Structer free?

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

### Do CSiSections or Structer have ads?

Neither CSiSections nor Structer shows ads.

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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.*