# C# Data Structures & Algo vs Steel Structures Practice

The clearest difference is iOS requirement: Steel Structures Practice at 13.0 against C# Data Structures & Algo's 16.0. 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 | C# Data Structures & Algo | Steel Structures Practice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 19 MB | 27 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### C# Data Structures & Algo

[App page](https://appshunter.io/ios/app/c-data-structures-and-algo/id6756707070)

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

**In-app purchases:** none


### Steel Structures Practice

[App page](https://appshunter.io/ios/app/steel-structures-practice/id6759558240)

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

**In-app purchases:** none


## Frequently asked questions

### Is C# Data Structures & Algo free?

C# Data Structures & Algo is free to download, with no in-app purchases.

### Is Steel Structures Practice free?

Steel Structures Practice is free to download, with no in-app purchases.

### Do C# Data Structures & Algo or Steel Structures Practice have ads?

Neither C# Data Structures & Algo nor Steel Structures Practice 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.*