# King Key vs Violibration Studio

The clearest difference is price: Violibration Studio at Free against King Key's $1.99. King Key's advantage is in-app purchases (none vs 8) and iOS requirement (12.0 vs 18.6). On ads and device support there is nothing between them.

Violibration Studio is free to download; King Key costs $1.99 up front. Violibration Studio sells 8 one-off in-app purchases. King Key asks for nothing beyond the download.

## The numbers

| Metric | King Key | Violibration Studio |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.9 (15 ratings)](https://appshunter.io/ios/app/king-key/id6504887055/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | Paid | — |
| Size | 12 MB | 16 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Caelum Audio](https://appshunter.io/developer/1463219587) | [Thomas Richardson](https://appshunter.io/developer/1887851473) |

## What reviewers say

### King Key

[App page](https://appshunter.io/ios/app/king-key/id6504887055)

This app provides high-quality one-shot keyboard samples, including vintage typewriters and modern synthesizers. It offers 9 instruments and 11 presets, usable as a standalone instrument or an AUv3 plugin within music production hosts.

**Highlights:** High-quality one-shot keyboard samples, Vintage typewriter and MIDI keyboard sounds, 9 instruments and 11 presets, AUv3 plugin compatibility, Standalone instrument mode, Proprietary high-detailed sampling techniques

**In-app purchases:** none


### Violibration Studio

[App page](https://appshunter.io/ios/app/violibration-studio/id6761793199)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deep Focus | $0.29 | one-time |
| Breath Arc | $0.29 | one-time |
| Rainglass | $0.29 | one-time |
| Sunset Drift | $0.29 | one-time |
| Grounding Grid | $0.29 | one-time |
| Stride Signal | $0.29 | one-time |
| Pulse Lab | $0.29 | one-time |
| Unlock Everything | $1.99 | one-time |


## Frequently asked questions

### Is King Key free?

King Key costs $1.99, with no in-app purchases.

### Is Violibration Studio free?

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

### Do King Key or Violibration Studio have ads?

Neither King Key nor Violibration Studio shows 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.*