Robot Butter
Motion, Space, and Texture
$14.99
Shape vocals, guitars, synths, drums, and more with animated modulation, adaptive reverb, tempo-synced motion, and digital texture.
Robot Butter is a creative AUv3 audio effect for compatible hosts on iPhone, iPad, and macOS. It blends animated modulation, adaptive reverb, tempo-aware movement, and digital texture into one fast, playable interface.
On iPhone and iPad, Robot Butter also includes a standalone app for direct access to the effect and built-in manual. On macOS, the native app serves as a built-in manual companion while the plug-in runs in compatible AUv3 hosts.
At the core is the Robot engine, where Actuator, Viscosity, and Controller create the main motion and character of the signal. That signal then feeds Butter, an adaptive reverb stage designed to intelligently stay musical while responding to the effective movement of the Robot section. The result can move from focused width and pulse to washed ambience, strange motion, and unstable experimental color.
The Chipset section extends the sound with a built-in assignable LFO matrix and a post-reverb System Bus reduction stage. Run the LFO freely in Hz or lock it to musical divisions for host-synced movement, then route it to key Robot or Butter controls for evolving motion. Add System Bus for subtle grain or push it harder for sharper, crushed digital edge.
Robot Butter is designed to stay immediate. The interface gives you direct control over modulation, blend, depth, reverb shape, output mix, and motion timing without pushing you into a complicated modulation environment. A built-in user manual inside the standalone app includes overview pages, parameter explanations, quick-start guidance, glossary entries, MIDI notes, and troubleshooting help, with scrollable section pills that keep longer labels readable. Factory presets and user presets make it easy to jump from polished mix enhancement to stylized movement and aggressive sound design.
Features:
- AUv3 effect for compatible iPhone, iPad, and macOS hosts
- Robot modulation engine with Actuator, Viscosity, Controller, and gain staging
- Butter adaptive reverb with Churn, Emulsion, and Culture controls
- Built-in LFO matrix with free or tempo-synced timing
- Assignable LFO destinations across Robot and Butter parameters
- System Bus sample-rate reduction stage for animated digital texture
- Imaging modes including Mono, Wide, Ping, and Drift when stereo processing is available
- Factory presets covering vocals, guitars, bass, keys, synths, drums, utility, and experimental categories
- User preset save, recall, and delete support
- Comprehensive built-in in-app user manual with quick-start, glossary, and troubleshooting sections
- MIDI Learn, Host Learn support, and default CC mappings for hands-on control
- Optional MIDI CC broadcast for compatible host-routing workflows
- Host tempo sync with straight, dotted, and triplet divisions
Use Robot Butter for vocal movement, guitar widening, synth pulse, drum bus animation, ambient wash design, or aggressive lo-fi modulation chains. It is built to move quickly from musical enhancement to animated destruction while keeping the workflow focused and playable.
Ratings & Reviews
New in 1.1:
- Redesigned Audio/MIDI Settings for standalone with output, sample rate, buffer size, test audio, MIDI input, validation, and reload controls
- Standalone CoreMIDI input routing for external controllers
- Improved preset handling
- Stability improvements and bug fixes.
The developer, Christian Thompson, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Christian Thompson
- Size
- 7.7 MB
- Category
- Music
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- ©2026 Christian C. Thompson. All Rights Reserved.
