# MIDI FX PRO vs Jacquardi4

The clearest difference is update cadence: Jacquardi4 at weekly against MIDI FX PRO's monthly. Jacquardi4 also leads on price ($5.99 vs $9.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

MIDI FX PRO costs $9.99 and Jacquardi4 $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MIDI FX PRO ships an update monthly, Jacquardi4 weekly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MIDI FX PRO | Jacquardi4 |
| --- | --- | --- |
| Price | $9.99 | **$5.99** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/midi-fx-pro/id6444039855/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Paid | — |
| Size | 263 MB | 12 MB |
| Requires iOS | **14.7** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Arroyo](https://appshunter.io/developer/548989572) | [Satoshi Kajii](https://appshunter.io/developer/1777441634) |

## What reviewers say

### MIDI FX PRO

[App page](https://appshunter.io/ios/app/midi-fx-pro/id6444039855)

This app is a powerful MIDI workstation for iOS and Mac, allowing users to control and process MIDI signals. It offers features like harmonization, transposition, arpeggiation, and sequencing for external or virtual synths. It also includes internal instruments and effects for mobile music creation.

**Highlights:** MIDI signal processing, Harmonize, Transpose, Arpeggiate, Sequencer for synths, Delay/looper, Internal instruments (drums, piano, synth), Filter notes by velocity

**In-app purchases:** none


### Jacquardi4

[App page](https://appshunter.io/ios/app/jacquardi4/id6786135940)

**In-app purchases:** none


## Frequently asked questions

### Is MIDI FX PRO free?

MIDI FX PRO costs $9.99, with no in-app purchases.

### Is Jacquardi4 free?

Jacquardi4 costs $5.99, with no in-app purchases.

### Do MIDI FX PRO or Jacquardi4 have ads?

Neither MIDI FX PRO nor Jacquardi4 shows ads.

### Which is updated more often, MIDI FX PRO or Jacquardi4?

MIDI FX PRO ships an update monthly, and Jacquardi4 weekly. Most recently, MIDI FX PRO was updated on October 24, 2026 and Jacquardi4 on October 28, 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.*