# ChordPolyPad vs MeloStock MTR

The clearest difference is price: MeloStock MTR at $2.99 against ChordPolyPad's $17.99. MeloStock MTR also leads on in-app purchases (none vs 3) and update cadence (every 3 days vs every 2 months). ChordPolyPad's advantage is device support (4 vs 2). On ads and iOS requirement there is nothing between them.

ChordPolyPad costs $17.99 and MeloStock MTR $2.99 up front. ChordPolyPad sells 3 one-off in-app purchases. MeloStock MTR asks for nothing beyond the download.

ChordPolyPad ships an update every 2 months, MeloStock MTR every 3 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ChordPolyPad | MeloStock MTR |
| --- | --- | --- |
| Price | $17.99 | **$2.99** |
| Rating | **[4.6 (51 ratings)](https://appshunter.io/ios/app/chordpolypad/id694599930/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 92.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 44 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Laurent Colson](https://appshunter.io/developer/381525765) | [NOBUHIRO MIYARA](https://appshunter.io/developer/6789900018) |

## What reviewers say

### ChordPolyPad

[App page](https://appshunter.io/ios/app/chordpolypad/id694599930)

This app is a versatile MIDI chord player that allows users to create and play complex chord sets. It offers extensive customization for pads, MIDI controls, and chord generation, functioning as a standalone app or an AUv3 MIDI effect plugin.

**Highlights:** Standalone app and AUv3 MIDI effect plugin, 128 pads per preset, Customizable X/Y MIDI controllers, Advanced random chord generator, Internal and external MIDI support, Chord filtering and quantizing, Preset manager with in-app purchases

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Retro Pop | $4.99 | one-time |
| Clubwave | $4.99 | one-time |
| Liminal Spaces | $4.99 | one-time |


### MeloStock MTR

[App page](https://appshunter.io/ios/app/melostock-mtr/id6789900016)

**In-app purchases:** none


## Frequently asked questions

### Is ChordPolyPad free?

ChordPolyPad costs $17.99, and also offers in-app purchases.

### Is MeloStock MTR free?

MeloStock MTR costs $2.99, with no in-app purchases.

### Do ChordPolyPad or MeloStock MTR have ads?

Neither ChordPolyPad nor MeloStock MTR shows ads.

### Which is updated more often, ChordPolyPad or MeloStock MTR?

ChordPolyPad ships an update every 2 months, and MeloStock MTR every 3 days. Most recently, ChordPolyPad was updated on November 1, 2026 and MeloStock MTR on October 31, 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.*