# TPU vs CodeStart by ChatStick

The clearest difference is ads: TPU at none against CodeStart by ChatStick's shown. TPU also leads on iOS requirement (15.1 vs 26.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. TPU sells 8 one-off in-app purchases and CodeStart by ChatStick sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | TPU | CodeStart by ChatStick |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Size | 56 MB | 12 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tony-Bradley Ade Fru-Asoh](https://appshunter.io/developer/1613760473) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### 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 |


### CodeStart by ChatStick

[App page](https://appshunter.io/ios/app/codestart-by-chatstick/id6762445646)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CodeStart Premium (Lifetime) | $2.99 | one-time |


## Frequently asked questions

### Is TPU free?

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

### Is CodeStart by ChatStick free?

CodeStart by ChatStick is free to download, with in-app purchases available.

### Do TPU or CodeStart by ChatStick have ads?

CodeStart by ChatStick shows ads; TPU does not.

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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.*