Robot Butter vs Saws All
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Robot Butter
This audio effect app creates dynamic soundscapes by blending animated modulation, adaptive reverb, and digital textures. It offers a fast, playable interface with direct control over key parameters and tempo-synced movement for evolving sound design.
- AUv3 audio effect for iPhone, iPad, and macOS
- Animated modulation engine
- Adaptive reverb stage
- Tempo-synced LFO matrix
- Digital texture effects
- Built-in user manual
- Factory and user presets
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Robot Butter is a creative AUv3 audio effect for compatible hosts on iOS & iPadOS. It blends animated modulation, adaptive reverb, tempo-aware movement, and digital texture into one fast, playable interface. 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: - 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.
Saws All
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It started as an amusing idea: an 8-channel drone engine that only uses sawtooth waves called the Saws All. With trigger lengths, timing controls, and extended LFOs, the drone engine quickly became a canvas for ambient soundscapes, arps, and chords. That inspired a new challenge: create an 8-channel drum synth that uses sawtooths instead of sine waves, powered by beat probability for manageable randomness instead of a standard step sequencer. Finally, a fuzzy mono-synth was born and split into two faces—bass and lead—to fill in the gaps. The project officially evolved into something beyond expectation. Saws All is a beautiful-sounding sawtooth groovebox with a quirky workflow and a massive amount of character. Spend hours playing with drones and exploring melodic polyrhythms and percussive chaos. -The Engine & Features- • Sawtooth Drone Engine: 8 independent channels that can drone endlessly or trigger for set lengths and rests. Set different waiting periods across channels to generate lush, complex polyrhythms. Shape your sound with bitcrushing, delay, and 6 LFOs per channel (pitch, panning, filter, plus 2 customizable slots) to craft gliding drones, arps, chords, and wild effect rhythms. • Probability Drum Synth: 8 channels of physical drum modeling driven by beat probability for the perfect blend of groove and evolving randomness, replacing the rigid loops of a standard step sequencer. • Dual Fuzz Synths: Dedicated Bass and Lead mono-synths with virtual keybeds and dynamic pitch ribbons to fill out your low-end and melodies. • Performance Mode: Customize macro pads on the fly to trigger live FX, tape stops, stutters, and more using the universal recorder. • Song Mode: Save scenes, arrange full songs, and bounce your tracks directly to high-quality audio files. • Share Your Sounds: Export and share individual scenes, drum models, or entire projects with friends using lightweight JSON files. • Pro Mode: Turn off the guardrails. Take parameters deeper and bypass factory limits with manual value inputs. -Interactive Audio-Worlds- Kick back, close your eyes, and listen to your creation—or dive into our unique, interactive visualizers designed specifically for this app. Play games, watch dance-offs and slug-hunting ant colonies, or launch fireworks. Every world reacts and syncs perfectly to your music's tempo, frequencies, and individual channels. No ads. No subscriptions. All local. All private. Get lost in saws.
Screenshots
Verdict
The clearest difference is price: Saws All at $9.99 against Robot Butter's $14.99. Saws All also leads on iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support 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
Robot Butter costs $14.99 and Saws All $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Robot Butter | Saws All |
|---|---|---|
| Price | $14.99 | $9.99 — better |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, Mac, Vision Pro — better | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Christian Thompson | ANCIENT APPARATUS LLC |
In-app purchases
Robot Butter
No in-app purchases
Saws All
No in-app purchases









