Comparison

Scissor Hands vs Robot Butter

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

Head to head
About

Scissor Hands

This powerful audio effect offers dual high-pass and low-pass filters with adjustable steepness and extensive modulation options. Shape clean tones or create extreme sonic destruction with internal saturators and versatile modulation sources.

Highlights
  • Dual high-pass and low-pass filters
  • Four independent modulation sources
  • Internal saturators up to +36 dB
  • Morph settings for smooth transitions
  • Standalone app with trial and license purchase
  • HQ mode with 4x oversampling
Read full description

Scissor Hands is a dual filter with internal drive and modulation to boot. High-pass and low-pass filters in series, four modulation sources, and internal saturators you can push up to +36 dB. It may look straightforward, but this little filter is extremely capable, equally useful for clean tone shaping and brutal sonic destruction. Dual Filters - High-pass and low-pass filters in series - Selectable steepness per filter - Drive internal saturators up to +36 dB. At 0 dB, perfectly clean and linear - Per-filter Q-Gain Compensation for taming output at high resonance settings - Updated drive gain compensation for louder output at high settings Modulation - Stereo LFO with nine waveforms, warp, and swing - Envelope follower with optional sidechain input - Eight-step sequencer - Self FM, filter audio output to cutoff for spicy audio-rate modulation - Freely mixable modulation sources per filter - Repeatable Random engine for consistent bounces Core Features - Morph Settings for smooth transitions between two complete configurations - Auto Bypass saves CPU when input is silent - AB settings comparison - HQ mode with 4x oversampling - One-click loudness matching - All parameters automatable with precise playback - Light and dark interface modes - Internal undo/redo - Standalone app includes support, manual links and in-app purchase options for license purchase Two-week trial included, one-time purchase for full unlock. Unlock your plug-in via in-app purchase from the standalone app or activate in the plug-in using an existing desktop license. Your in-app purchase activates the plug-in on all of your iOS devices. Owners can claim a crossgrade code in the standalone app to receive a discount on a desktop license. Check out our YouTube: https://www.youtube.com/@sketchaudio Read the manuals: https://sketchaudio.com/manuals/

About

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.

Highlights
  • 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
Read full description

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.

Screenshots

Scissor Hands2 screens
Robot Butter4 screens

Verdict

The call

The clearest difference is price: Scissor Hands at Free against Robot Butter's $14.99. Scissor Hands also leads on iOS requirement (14.0 vs 17.0). Robot Butter's advantage is in-app purchases (none vs 2). On rating, ratings volume, update cadence and ads 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

Scissor Hands is free to download; Robot Butter costs $14.99 up front. Scissor Hands sells 2 one-off in-app purchases. Robot Butter asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Scissor Hands against 5.0 for Robot Butter. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

UpkeepUpdate frequency

Scissor Hands ships an update every 3 weeks, Robot Butter monthly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
Scissor Hands versus Robot Butter: the parameters behind the verdict, then further details
ParameterScissor HandsRobot Butter
PriceFree — better$14.99
Rating5.0 (3 ratings)5.0 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings3 — better2
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, Mac, Vision Pro — better
Requires iOS14.0 — better17.0
Further details — not scored
Size13 MB7 MB
Age rating4+4+
DeveloperSketch Audio, LLCChristian Thompson

Customer experience

Scissor Hands

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Robot Butter

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Scissor Hands

One-time2
  • Two-week TrialFree
  • Full Unlock$6.99
None

Robot Butter

No in-app purchases

Questions

Is Scissor Hands free?
Scissor Hands is free to download, with in-app purchases available.
Is Robot Butter free?
Robot Butter costs $14.99, with no in-app purchases.
Which has better reviews, Scissor Hands or Robot Butter?
Scissor Hands and Robot Butter are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.
Do Scissor Hands or Robot Butter have ads?
Neither Scissor Hands nor Robot Butter shows ads.
Which is updated more often, Scissor Hands or Robot Butter?
Scissor Hands ships an update every 3 weeks, and Robot Butter monthly. Most recently, Scissor Hands was updated on October 31, 2026 and Robot Butter on November 5, 2026.

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