# C# Data Structures & Algo vs TPU

The clearest difference is in-app purchases: C# Data Structures & Algo at none against TPU's 8. TPU's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. TPU sells 8 one-off in-app purchases. C# Data Structures & Algo asks for nothing beyond the download.

## The numbers

| Metric | C# Data Structures & Algo | TPU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 19 MB | 56 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) | [Tony-Bradley Ade Fru-Asoh](https://appshunter.io/developer/1613760473) |

## 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


### TPU

[App page](https://appshunter.io/ios/app/tpu-learn-to-code/id6761915681)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Application Fee | $19.99 | one-time |
| Monthly Payment | $19.99 | one-time |
| Tuition Payment 3 of 3 | $89.99 | one-time |
| Tuition Payment 2 of 3 | $89.99 | one-time |
| Tuition Payment 2 of 2 | $139.99 | one-time |
| Tuition Payment 1 of 3 | $139.99 | one-time |
| Tuition Payment 1 of 2 | $169.99 | one-time |
| Full Tuition | $299.00 | 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 TPU free?

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

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

Neither C# Data Structures & Algo nor TPU 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.*