# Musical Keyboard vs VAPolyQuad

The clearest difference is price: Musical Keyboard at $0.99 against VAPolyQuad's $3.99. Musical Keyboard also leads on iOS requirement (13.0 vs 16.6). VAPolyQuad's advantage is update cadence (every 22 months vs every 50 months). On ads, in-app purchases and device support there is nothing between them.

Musical Keyboard costs $0.99 and VAPolyQuad $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Musical Keyboard ships an update every 50 months, VAPolyQuad every 22 months. The most recent releases landed on October 9, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Musical Keyboard | VAPolyQuad |
| --- | --- | --- |
| Price | **$0.99** | $3.99 |
| Rating | — | **[4.0 (5 ratings)](https://appshunter.io/ios/app/vapolyquad/id6504518079/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 50 months | **Every 22 months** |
| Monetization | — | Paid |
| Size | 3 MB | 16 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Aron Nelson](https://appshunter.io/developer/353420800) | [Ryo Togawa](https://appshunter.io/developer/1474193056) |

## What reviewers say

### Musical Keyboard

[App page](https://appshunter.io/ios/app/musical-keyboard/id1498016424)

**Features:** Apple Watch app

**In-app purchases:** none


### VAPolyQuad

[App page](https://appshunter.io/ios/app/vapolyquad/id6504518079)

Create rich, analog-style music with this powerful polyphonic synthesizer. Explore a vast array of sound-shaping tools, including multiple oscillators, filters, and effects. Program intricate melodies and rhythms with the built-in sequencer, and seamlessly share projects across your Apple devices.

**Highlights:** Virtual analog polyphonic synthesizer, Up to 8 voice polyphony, Four oscillators per voice, Multiple resonant filters, Built-in effects suite, 16-bar sequencer with piano roll, Audio Unit Extension (AUv3) support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Musical Keyboard free?

Musical Keyboard costs $0.99, with no in-app purchases.

### Is VAPolyQuad free?

VAPolyQuad costs $3.99, with no in-app purchases.

### Do Musical Keyboard or VAPolyQuad have ads?

Neither Musical Keyboard nor VAPolyQuad shows ads.

### Which is updated more often, Musical Keyboard or VAPolyQuad?

Musical Keyboard ships an update every 50 months, and VAPolyQuad every 22 months. Most recently, Musical Keyboard was updated on October 9, 2026 and VAPolyQuad on October 27, 2026.

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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.*