# C# Data Structures & Algo vs Brevia

The clearest difference is in-app purchases: C# Data Structures & Algo at none against Brevia's 3. C# Data Structures & Algo also leads on iOS requirement (16.0 vs 18.0). Brevia's advantage is update cadence (weekly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Brevia sells 3 one-off in-app purchases. C# Data Structures & Algo asks for nothing beyond the download.

C# Data Structures & Algo ships an update every 3 months, Brevia weekly. The most recent releases landed on September 16, 2026 and August 5, 2026 respectively.

## The numbers

| Metric | C# Data Structures & Algo | Brevia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 19 MB | 3 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Saksham Virmani](https://appshunter.io/developer/1896714617) |

## 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


### Brevia

[App page](https://appshunter.io/ios/app/brevia-learn-dsa/id6775131083)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small tip | $1.99 | one-time |
| Supporter tip | $4.99 | one-time |
| Hero tip | $9.99 | one-time |


## Frequently asked questions

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

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

### Is Brevia free?

Brevia is free to download, with in-app purchases available.

### Do C# Data Structures & Algo or Brevia have ads?

Neither C# Data Structures & Algo nor Brevia shows ads.

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

C# Data Structures & Algo ships an update every 3 months, and Brevia weekly. Most recently, C# Data Structures & Algo was updated on September 16, 2026 and Brevia on August 5, 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.*