# MIDIplay vs VAPolyMk4

The clearest difference is review sentiment: VAPolyMk4 at 100% against MIDIplay's 33%. VAPolyMk4 also leads on rating (5.0 vs 2.3). MIDIplay's advantage is price ($1.99 vs $3.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

MIDIplay costs $1.99 and VAPolyMk4 $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

VAPolyMk4 holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 33% of MIDIplay's written reviews are positive against 100% of VAPolyMk4's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MIDIplay | VAPolyMk4 |
| --- | --- | --- |
| Price | **$1.99** | $3.99 |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/midiplay/id1240938980/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/vapolymk4/id6753038075/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | Paid |
| Size | 5 MB | 20 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Mark Carlotto](https://appshunter.io/developer/293347135) | [Ryo Togawa](https://appshunter.io/developer/1474193056) |

## What reviewers say

### MIDIplay

[App page](https://appshunter.io/ios/app/midiplay/id1240938980)

This application allows users to play MIDI files with multiple tracks and channels, offering selective control. It features a built-in FM synth and a sound space surface controller, with sliders for tempo and pitch adjustment.

**Highlights:** MIDI file playback, Multi-track and channel control, Built-in FM synth, Sound space surface controller, Tempo and pitch sliders, Transposition +/- 6 semi-tones

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

**In-app purchases:** none


### VAPolyMk4

[App page](https://appshunter.io/ios/app/vapolymk4/id6753038075)

This app is a powerful bi-timbral polyphonic synthesizer with advanced features like output morphing and a ring modulator. It offers extensive sound design capabilities with multiple oscillators, filters, and envelopes, and can be used standalone or as an AudioUnit Extension.

**Highlights:** Bi-timbral polyphonic synthesis, Output morphing and ring modulator, Multiple oscillators, filters, and envelopes, Standalone and AudioUnit Extension (AUv3) support, Built-in effects and piano roll sequencer, MIDI 2.0 and Ableton Link support, iCloud Drive for project sharing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MIDIplay free?

MIDIplay costs $1.99, with no in-app purchases.

### Is VAPolyMk4 free?

VAPolyMk4 costs $3.99, with no in-app purchases.

### Which has better reviews, MIDIplay or VAPolyMk4?

VAPolyMk4 is rated higher. MIDIplay averages 2.3 out of 5 from 3 ratings, while VAPolyMk4 averages 5.0 from 2 ratings.

### Do MIDIplay or VAPolyMk4 have ads?

Neither MIDIplay nor VAPolyMk4 shows ads.

### Which is updated more often, MIDIplay or VAPolyMk4?

MIDIplay ships an update every 2 months, and VAPolyMk4 every 2 months. Most recently, MIDIplay was updated on October 29, 2026 and VAPolyMk4 on October 30, 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.*