# Derivative Master by ChatStick vs Swiftlet

The clearest difference is in-app purchases: Swiftlet at none against Derivative Master by ChatStick's 1. Swiftlet also leads on ads (none vs shown) and iOS requirement (16.0 vs 26.2). On price and device support there is nothing between them.

Both are free to download. Derivative Master by ChatStick sells 1 one-off in-app purchase. Swiftlet asks for nothing beyond the download.

## The numbers

| Metric | Derivative Master by ChatStick | Swiftlet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | — | Weekly |
| Size | 10 MB | 44 MB |
| Requires iOS | 26.2 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) | [Tame Bickel](https://appshunter.io/developer/6809779184) |

## What reviewers say

### Derivative Master by ChatStick

[App page](https://appshunter.io/ios/app/derivative-master-by-chatstick/id6770905531)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |


### Swiftlet

[App page](https://appshunter.io/ios/app/swiftlet-learn-to-code/id6809779182)

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

**In-app purchases:** none


## Frequently asked questions

### Is Derivative Master by ChatStick free?

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

### Is Swiftlet free?

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

### Do Derivative Master by ChatStick or Swiftlet have ads?

Derivative Master by ChatStick shows ads; Swiftlet 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.*