# duk. vs Teach the Thief

The clearest difference is in-app purchases: duk. at none against Teach the Thief's 7. duk. also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Teach the Thief sells 7 one-off in-app purchases. duk. asks for nothing beyond the download.

## The numbers

| Metric | duk. | Teach the Thief |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Size | 8 MB | 38 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Betula Noir LLC](https://appshunter.io/developer/6778465985) | [Vinicios Cunha](https://appshunter.io/developer/1824017803) |

## What reviewers say

### duk.

[App page](https://appshunter.io/ios/app/duk/id6778465982)

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

**In-app purchases:** none


### Teach the Thief

[App page](https://appshunter.io/ios/app/teach-the-thief/id6809291621)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| King Pip | $0.99 | one-time |
| Wizard Pip | $0.99 | one-time |
| Pirate Pip | $0.99 | one-time |
| Astronaut Pip | $0.99 | one-time |
| Detective Pip | $0.99 | one-time |
| Chef Pip | $0.99 | one-time |
| No Ads | $4.99 | one-time |


## Frequently asked questions

### Is duk. free?

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

### Is Teach the Thief free?

Teach the Thief is free to download, with in-app purchases available.

### Do duk. or Teach the Thief have ads?

Teach the Thief shows ads; duk. 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.*