# C# Data Structures & Algo vs Trigonometry 360

The clearest difference is update cadence: Trigonometry 360 at monthly against C# Data Structures & Algo's every 2 months. Trigonometry 360 also leads on iOS requirement (15.1 vs 17.0). 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.

C# Data Structures & Algo ships an update every 2 months, Trigonometry 360 monthly. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | C# Data Structures & Algo | Trigonometry 360 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 19 MB | 54 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Baran Polat](https://appshunter.io/developer/1775913614) |

## 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


### Trigonometry 360

[App page](https://appshunter.io/ios/app/trigonometry-360/id6787418306)

**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 Trigonometry 360 free?

Trigonometry 360 is free to download, with no in-app purchases.

### Do C# Data Structures & Algo or Trigonometry 360 have ads?

Neither C# Data Structures & Algo nor Trigonometry 360 shows ads.

### Which is updated more often, C# Data Structures & Algo or Trigonometry 360?

C# Data Structures & Algo ships an update every 2 months, and Trigonometry 360 monthly. Most recently, C# Data Structures & Algo was updated on October 12, 2026 and Trigonometry 360 on October 6, 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.*