# Key Changer vs Carnatic Piano

The clearest difference is ads: Key Changer at none against Carnatic Piano's shown. On price, in-app purchases, device support and iOS requirement 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 | Key Changer | Carnatic Piano |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 10 days |
| Size | 6 MB | 175 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Ratterman](https://appshunter.io/developer/6777538376) | [DANCINGLABS PRIVATE LIMITED](https://appshunter.io/developer/6781258703) |

## What reviewers say

### Key Changer

[App page](https://appshunter.io/ios/app/key-changer/id6780648386)

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

**In-app purchases:** none


### Carnatic Piano

[App page](https://appshunter.io/ios/app/carnatic-piano/id6809342515)

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

**In-app purchases:** none


## Frequently asked questions

### Is Key Changer free?

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

### Is Carnatic Piano free?

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

### Do Key Changer or Carnatic Piano have ads?

Carnatic Piano shows ads; Key Changer 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.*