# GFX Tool Launcher & Optimizer vs Key Mapper

The clearest difference is iOS requirement: GFX Tool Launcher & Optimizer at 13.0 against Key Mapper's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | GFX Tool Launcher & Optimizer | Key Mapper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Size | 28 MB | 29 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SAMUEL WATSON](https://appshunter.io/developer/1896337527) | [OLIVER MORRIS](https://appshunter.io/developer/6771799098) |

## What reviewers say

### GFX Tool Launcher & Optimizer

[App page](https://appshunter.io/ios/app/gfx-tool-launcher-and-optimizer/id6766921877)

**Features:** macOS Compatibility

**In-app purchases:** none


### Key Mapper

[App page](https://appshunter.io/ios/app/key-mapper/id6816169573)

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

**In-app purchases:** none


## Frequently asked questions

### Is GFX Tool Launcher & Optimizer free?

GFX Tool Launcher & Optimizer is free to download, with no in-app purchases.

### Is Key Mapper free?

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

### Do GFX Tool Launcher & Optimizer or Key Mapper have ads?

Both GFX Tool Launcher & Optimizer and Key Mapper show 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.*