# ShiftBud Generative MIDI AUv3 vs mKer

The clearest difference is rating: ShiftBud Generative MIDI AUv3 at 4.7 against mKer's 4.5. ShiftBud Generative MIDI AUv3 also leads on device support (3 vs 1). On price, review sentiment, ratings volume and update cadence there is nothing between them.

ShiftBud Generative MIDI AUv3 costs $3.99 and mKer $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ShiftBud Generative MIDI AUv3 holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 9 and 22 respectively. Written reviews point the same way: 67% of ShiftBud Generative MIDI AUv3's written reviews are positive against 64% of mKer's.

ShiftBud Generative MIDI AUv3 ships an update monthly, mKer every 3 weeks. The most recent releases landed on September 21, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | ShiftBud Generative MIDI AUv3 | mKer |
| --- | --- | --- |
| Price | $3.99 | $3.99 |
| Rating | **[4.7 (9 ratings)](https://appshunter.io/ios/app/shiftbud-generative-midi-auv3/id1616169031/reviews)** | [4.5 (22 ratings)](https://appshunter.io/ios/app/mker/id1635296839/reviews) |
| Number of ratings | 9 | **22** |
| Positive reviews | **66.7% of reviews** | 63.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 7 MB | 57 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cem Olcay](https://appshunter.io/developer/523633853) | [Axart Labs OU](https://appshunter.io/developer/1814434331) |

## What reviewers say

### 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


### mKer

[App page](https://appshunter.io/ios/app/mker/id1635296839)

A versatile MIDI step sequencer designed for music creation. It offers multiple outputs, extensive pattern and lane customization, and advanced step editing. Best used within an AUv3 host app for sound generation.

**Highlights:** 8 MIDI outputs, 64 Patterns with 16 Lanes each, Customizable Steps and Step Size per Lane, Advanced Step Parameters (Pitch, Velocity, Probability, etc.), Flexible Editor with Step Entry Keyboard, 32 Clips with Repeat Functionality, Performance Tab with Assignable Sliders and Morphing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ShiftBud Generative MIDI AUv3 free?

ShiftBud Generative MIDI AUv3 costs $3.99, with no in-app purchases.

### Is mKer free?

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

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

ShiftBud Generative MIDI AUv3 is rated higher. ShiftBud Generative MIDI AUv3 averages 4.7 out of 5 from 9 ratings, while mKer averages 4.5 from 22 ratings.

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

Neither ShiftBud Generative MIDI AUv3 nor mKer shows ads.

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

ShiftBud Generative MIDI AUv3 ships an update monthly, and mKer every 3 weeks. Most recently, ShiftBud Generative MIDI AUv3 was updated on September 21, 2026 and mKer on August 22, 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.*