Comparison

ShiftBud Generative MIDI AUv3 vs GlitchScaper

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ShiftBud Generative MIDI AUv3

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
Read full description

ShiftBud is a random looping generative MIDI sequencer based on the eurorack module Turing Machine by Tom Whitwell.  It works based on the 16-bit shift register chips where it shifts its value on each sequencer step. However, you can lock the sequence in a desired length if you fully rotate the chaos knob to the left or right. If you introduce low amount of chaos, then the sequence "flips" occasionally and generate beautiful sequences. You can also produce random values if set higher amount of chaos.  The MIDI note generation can be in more than 110 scales plus your custom ScaleBud 2 scales. You can set the octave range, velocity or velocity randomness as well. You can set the higher and lower bounds on MIDI Control Change generation as well as the CC number you want to control. It's very useful on modulating synth parameters and you can even modulate the ShiftBud's AU parameters as well. You can also set a ramping value for a smoother change. With the 0% ramping, you can use it like a "sample and hold" module. With the manual trigger function, you can use another sequencer or keyboard to trigger ShiftBud's next note. You can create unlimited pattern pages on the lower left corner of the app and you can select the pattern with MIDI CC messages as well. Please note that ShiftBud is a MIDI app. The standalone version has an optional internal synth where you can enable or disable on the settings menu. The AUv3 plugin requires an audio app for output. For the AUv3 functionality, it needs to be hosted within an app such as AUM, Loopy Pro, Cubasis, Logic Pro, Nanostudio, Drambo, or apeMatrix.

About

GlitchScaper

Create unique glitchy patterns and soundscapes with a rhythm machine featuring six sound generators and a two-layer cycle sequencer. Explore random sequence and tone generation, advanced effects, and spatial audio processing.

Highlights
  • Six sound generators
  • Two-layer cycle sequencer
  • Random sequence and tone generation
  • Advanced effects and envelopes
  • Spatial audio processing
  • MIDI support
Features
Read full description

GlitchScaper is a rhythm machine with six sound generators, each controlled by a two-layer cycle sequencer, designed to easily create glitchy patterns and scapes. To quickly find new ideas, each generator has separate options for making sequences and tones. The parameters of the new sequences and tones are set randomly, but are guided by several user-defined options, which in outline define the steps of the sequence and the type of tone or noise. This allows you make a quick draft of a pattern and then simply tweak it to get the final sound. The advanced copy function gives you ability to quickly make a new preset by copying sequences and tones from existing ones. The tone generator makes bright and rich sounds based on 12 complex waveforms or various types of noise, and can also use an external input as a signal source. Effects transform the tone from smoothly varying to full of squeaks and rattles. Each effect is modulated by a special envelope generator with different shapes that change throughout the sequencer step. The sound generators have individual spatial effects, as well as a common reverb space for all generators that adds an ambient layer to the final mix. The final mix can be even brighter and heavy or pumping with the built-in harmonic exciter and bass enhancer. The intuitive interface and powerful sound design features make this application super convenient for creating your own, unique sound. GlitchScaper is great for creating simple beats with an interesting and unusual sound, but it was originally designed for digital distorted patterns with longer steps that blend perfectly with the rhythms of classic drum machines and sequencers. GlitchScaper is a universal application for iOS and macOS. It can work on iPhone and iPad as well as Mac / MacBook with M1 chip (and later). GlitchScaper works on iPhone and iPad standalone, as an Audio Unit or Inter-App Audio module, and supports Audiobus and Ableton Link. On MacOS, GlitchScaper can works both as a standalone application and as an Audio unit (AUv3) with DAWs and other hosts that support AUv3 plugins. All application features are available on iOS and macOS, including MIDI support (with a MIDI learn option) and audio unit parameters. GlitchScaper has a built-in detailed description of all parameters also available as PDF file on the application site. A brief overview: https://www.youtube.com/watch?v=_T50WVIPUPQ https://www.youtube.com/watch?v=AeF3oBoXp80 You can find more information on GlitchScaper and other experimental audio processing apps at: https://motion-soundscape.blogspot.com

Screenshots

ShiftBud Generative MIDI AUv34 screens
GlitchScaper4 screens

Verdict

The call

The clearest difference is price: ShiftBud Generative MIDI AUv3 at $3.99 against GlitchScaper's $15.99. ShiftBud Generative MIDI AUv3 also leads on update cadence (monthly vs every 4 months). GlitchScaper's advantage is review sentiment (91% vs 67%). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

ShiftBud Generative MIDI AUv3 costs $3.99 and GlitchScaper $15.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for ShiftBud Generative MIDI AUv3 against 4.8 for GlitchScaper. Both are backed by a comparable volume of ratings — 9 and 22 respectively. Written reviews are what separate them: 67% of ShiftBud Generative MIDI AUv3's written reviews are positive against 91% of GlitchScaper's.

UpkeepUpdate frequency

ShiftBud Generative MIDI AUv3 ships an update monthly, GlitchScaper every 4 months. The most recent releases landed on September 21, 2026 and September 7, 2026 respectively.

Scorecard3 real differences · 7 level
ShiftBud Generative MIDI AUv3 versus GlitchScaper: the parameters behind the verdict, then further details
ParameterShiftBud Generative MIDI AUv3GlitchScaper
Price$3.99 — better$15.99
Rating4.7 (9 ratings)4.8 (22 ratings) — better
Positive reviews66.7% of reviews90.9% of reviews — better
Number of ratings922 — better
Update frequencyMonthly — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better13.4
Further details — not scored
Size7 MB29 MB
Age rating4+4+
DeveloperCem OlcayIgor Vasiliev

Customer experience

ShiftBud Generative MIDI AUv3

All ratings9 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

GlitchScaper

All ratings22 ratings
Positive95.5%
Neutral0.0%
Negative4.5%
Written reviews11 reviews
Positive90.9%
Neutral0.0%
Negative9.1%

In-app purchases

None

ShiftBud Generative MIDI AUv3

No in-app purchases

None

GlitchScaper

No in-app purchases

Questions

Is ShiftBud Generative MIDI AUv3 free?
ShiftBud Generative MIDI AUv3 costs $3.99, with no in-app purchases.
Is GlitchScaper free?
GlitchScaper costs $15.99, with no in-app purchases.
Which has better reviews, ShiftBud Generative MIDI AUv3 or GlitchScaper?
GlitchScaper is rated higher. ShiftBud Generative MIDI AUv3 averages 4.7 out of 5 from 9 ratings, while GlitchScaper averages 4.8 from 22 ratings.
Do ShiftBud Generative MIDI AUv3 or GlitchScaper have ads?
Neither ShiftBud Generative MIDI AUv3 nor GlitchScaper shows ads.
Which is updated more often, ShiftBud Generative MIDI AUv3 or GlitchScaper?
ShiftBud Generative MIDI AUv3 ships an update monthly, and GlitchScaper every 4 months. Most recently, ShiftBud Generative MIDI AUv3 was updated on September 21, 2026 and GlitchScaper on September 7, 2026.

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