# Harmonix vs ShiftBud Generative MIDI AUv3

The clearest difference is price: ShiftBud Generative MIDI AUv3 at $5.99 against Harmonix's $14.99. ShiftBud Generative MIDI AUv3 also leads on device support (3 vs 1). Harmonix's advantage is review sentiment (100% vs 67%) and rating (5.0 vs 4.7). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Harmonix costs $14.99 and ShiftBud Generative MIDI AUv3 $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Harmonix holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 5 and 9 respectively. Written reviews point the same way: 100% of Harmonix's written reviews are positive against 67% of ShiftBud Generative MIDI AUv3's.

Harmonix ships an update every 2 weeks, ShiftBud Generative MIDI AUv3 monthly. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Harmonix | ShiftBud Generative MIDI AUv3 |
| --- | --- | --- |
| Price | $14.99 | **$5.99** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/harmonix/id1444665934/reviews)** | [4.7 (9 ratings)](https://appshunter.io/ios/app/shiftbud-generative-midi-auv3/id1616169031/reviews) |
| Number of ratings | 5 | **9** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Paid | Paid |
| Size | 13 MB | 7 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marcos Kohler](https://appshunter.io/developer/1024379665) | [Cem Olcay](https://appshunter.io/developer/523633853) |

## What reviewers say

### Harmonix

[App page](https://appshunter.io/ios/app/harmonix/id1444665934)

This app provides an intelligent controller for the Elektron Digitone FM Synth, offering features like sound type programming, parameter randomization, and pattern generation. It allows for manual or queued pattern launching and includes customizable keyboard filters for note selection and parameter control.

**Highlights:** Intelligent Sound Types, Parameter Randomize/Morph/Reset, Sound Design Functions & Macros, Mixer Control, Intelligent Pattern Generation, Customizable Keyboard Filters

**In-app purchases:** none


### ShiftBud Generative MIDI AUv3

[App page](https://appshunter.io/ios/app/shiftbud-generative-midi-auv3/id1616169031)

This app generates random MIDI sequences using a shift register chip, inspired by a popular eurorack module. It offers extensive control over scales, octaves, velocity, and MIDI CC modulation, allowing for complex and evolving musical patterns.

**Highlights:** Random looping generative MIDI sequencing, 16-bit shift register logic, Adjustable chaos for sequence variation, Over 110 scales plus custom scales, MIDI CC generation and modulation, Unlimited pattern pages, Manual trigger function

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

**In-app purchases:** none


## Frequently asked questions

### Is Harmonix free?

Harmonix costs $14.99, with no in-app purchases.

### Is ShiftBud Generative MIDI AUv3 free?

ShiftBud Generative MIDI AUv3 costs $5.99, with no in-app purchases.

### Which has better reviews, Harmonix or ShiftBud Generative MIDI AUv3?

Harmonix is rated higher. Harmonix averages 5.0 out of 5 from 5 ratings, while ShiftBud Generative MIDI AUv3 averages 4.7 from 9 ratings.

### Do Harmonix or ShiftBud Generative MIDI AUv3 have ads?

Neither Harmonix nor ShiftBud Generative MIDI AUv3 shows ads.

### Which is updated more often, Harmonix or ShiftBud Generative MIDI AUv3?

Harmonix ships an update every 2 weeks, and ShiftBud Generative MIDI AUv3 monthly. Most recently, Harmonix was updated on October 3, 2026 and ShiftBud Generative MIDI AUv3 on October 15, 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.*