Comparison

K Machine audio visual engine vs DrumComputer

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

Head to head
About

K Machine audio visual engine

Create dynamic and vibrant audio-visual animations with this powerful instrument. It combines a sound sample sequencer with a vertex shader sequencer for live-oriented audiovisual composition. Import your own sounds and visuals to craft unique experiences.

Highlights
  • Audio sample sequencer
  • Vertex shader sequencer
  • Import custom sounds (WAV, AIFF)
  • Import custom vertex shaders
  • Live video capture
  • Second screen projection
  • Ableton Link synchronization
Features
Read full description

"BEST HOUSE TECH GLITCH D&B APP in years!" "Fantastic app" K Machine is a new kind of audio visual instrument, allowing the creation of sound & touch responsive, dynamic, and vibrant animations. Designed for for musicians, shaders enthusiasts, VJs, and animation lovers in search of a live oriented, open, audiovisual instrument, K Machine combines a powerful audio sample sequencer and an original vertex shader sequencer based on a unique 'automatic transition interpolation' engine. ▶ A multifunctional tool The K Machine can be used in different ways: • As a VJing tool, using an audio input through mic or any other Audiobus compatible App. • As a sound creation tool, with the default empty shader so you won't be distracted by any visual animation. • Or in its full potential for true audiovisual composition. ▶ Import your sounds • K Machine accepts WAV and AIFF formats, 16 bits, 44100 Hz • Import from iTunes File sharing, Audioshare, Audiopaste or "Open in..." from any app with Export functionality. ▶ Import your visuals • The initial version of K Machine comes with more than 30 default vertex shaders, and 4 commented shader examples. • No limitation ! Import your own visuals, with the "Open in.." feature, use any external code editor App with Export functionality to create your own vertex shaders files. • Shaders format is 100% compatible with shaders from vertexshaderart.com • A simple line of code allows the creation of up to 8 parameter controllers for each vertex shader. ▶ A flexible tool • Each loop can have its own BPM. • Each loop can have its own number of beats. • Events can be splitted in 1/3, 1/5 1/7 or 1/11 ! ▶ Capture videos on the fly • Simple click on the 'video capture' button starts live video recording of your ongoing session with zero drop in performance. • Resulting video is automatically recorded in your photo album and can be shared on Facebook, EveryPlay, Youtube... ▶ Project on second screen with invisible UI Connect your device with HDMI or VGA adapter to display only the visual part of the ongoing animation. Perfect for live session ! ▶ Universal app Buy once and use on your IPad and Iphone devices. ▶ Use with other apps • Ableton link Ableton link: synchronise with any Ableton link app. • Audiobus 3.0.3 • Audiobus Remote: control K Machine from another device. • Audioshare: import edit your own samples with Audioshare. • Audiopaste and Audiostore: import sample with Audiopaste and/or browse an amazing sample collection through the Audiostore. ---------------------------------- See a new online video demo for v 2.0 here: https://vimeo.com/215816844 https://www.youtube.com/channel/ Full documentation : http://kolargon.art/KMachineV2Doc/KMachineV2Documentation.html ------------------------------------------- Disclaimer: K Machine gives it's full potential with openGL ES 3 capable devices. Please check documentation to make sure your device is compatible. The K Machine won't work for the following devices: iPhone 4s and earlier iPad 3 and earlier iPad Mini 1 iPod Touch 5 and earlier Will work with some limitation on the following devices. iPhone 5 iPhone 5c iPad 4 iPad Air iPad Mini 2 iPad Mini 3 ------------------------------------------- If you like the app, please consider posting a review on the AppStore, this will really help. Ideas, suggestions are very welcome, do not hesitate to leave your contributions in the comments or even better, at www.kolargon.art. Please do contact(mail below) to report any bug of any kind on any platform. It will fix it ASAP. Check/subscribe for more infos, docs and demos: ▶ http://www.kolargon.art ▶ https://www.facebook.com/kolargon ▶ https://twitter.com/Kolargon_ ▶ kolargon.art@gmail.com This app use Superpowered audio sdk.

About

DrumComputer

This app is a powerful tool for creating synthetic drum sounds and beats. It combines advanced synthesis techniques with flexible modulation and sequencing capabilities, offering intelligent randomizers and pattern editing for endless creative possibilities. Users can design unique drum hits, build complex patterns, and mix them for professional-sounding results.

Highlights
  • 8 layered sound engines
  • Flexible modulation matrix
  • Intelligent sound randomizers
  • 16-step sequencer with pattern generation
  • Auto and manual remixing/fills
  • AUv3 plugin and standalone operation
  • MIDI file export
Read full description

DrumComputer is the new specialist for synthetic drums, combining classic and modern synthesis with flexible modulations and luxurious sequencing. Intelligent randomizers, elegant pattern editing and import of your own samples are just a few of the mind blowing possibilities. Enjoy new drums everyday and get inspired by all the creativity that DrumComputer sets free. Just because, there still is all the unheard of... More than 400 global presets and 450 engine presets are shipping with DrumComputer. Add the Sound Randomizer and you have an unlimited source of cool sounds. ::FEATURES:: • 8 Sound Engines, each one layering a Resonator, Wavetable/Analogue, Resynth and Sampler • Filter, Compressor, Overdrive and 2 kinds of Send Reverbs: Room and Hall • 2x Env/LFO, plus Synth-Engine-Modulators, Sequencer-Modulators, ModMatrix • Intelligent Randomizers for endless Drum Sounds • 16 Step Sequencer and Pattern Generator, Probability, Rolls, +/- Step Delay, Swing, Humanize • Auto- und Manual Remixing/Fills • Easy Keyboard Mapping for Patterns, Mutes and Engine Triggers • Keyzones for Rolls, Pitch and Modulation • AUv3 plug-in with MIDI FX support & Standalone • Audio Bounce • MIDI File Export • Multiple Audio/MIDI Outputs • Virtual, Network, External & Bluetooth MIDI • Ableton Link • MIDI Learn & Host Automation • Preset iCloud Sync • Preset Share ••• Sound Engines ••• 8 individual 3-layer synth engines to design, shape and sculpt powerful drum hits. Depth modulation area with envelopes, LFOs, and a complex modulation matrix to change most parameters using a wide array of sources. Finest noise table conversion technology, followed by a filter, distortion and side chain compressor. ••• Sequencer ••• Enjoy smart randomization to create patterns that feel natural and organic and add some feeling to the pattern with swing and 'humanization'. Move various parameters along to match the notes, such as velocity, pitch, decay, probability, roll and offset. ••• Kit Page ••• Bring all the individual sounds together in one place, select new sound presets or even randomly generate new sounds based on various sound type profiles and give your kit some character, punch and an analogue feel! ••• Mix ••• With Volume, Mute, Solo, Pan as well as two reverb return channels you can send any of your sounds to at any time and also assign the mixer parameters as modulation destinations. The Room reverb gives you a nice familiar space, letting you glue together multiple drum sounds, while the Hall reverb gives a massive space you can use either as a utility, or as way to fire your sounds off into the cosmos! ••• Mapping ••• Create up to 16 individual patterns (from scratch, or using the easy copy/paste function), and chain these together into a sequence, up to 16 patterns long. Use your MIDI keyboard or controller to send values that quickly and seamlessly switch between patterns on the fly. Quickly remove and add the individual hits, trigger rolls of different speeds, or even have them as pitch modifiers. ••• Auto- and Manual Remixing/Fills ••• Mash up your patterns with one simple parameter and produce all sorts of automatic and random edits to your sound. Add creative fills and variations to your loop to keep it constantly moving with fresh ideas - great for jamming or to prevent audio stagnation. ••• Wavetable/Resynth Import & Sampler ••• Import your own audiofiles to create Wavetables. Resynthesize Hihats, Snares, even Chords with the Resynth import feature or switch to Sampler mode to play back samples the ordinary way.

Screenshots

K Machine audio visual engine4 screens

Verdict

The call

The clearest difference is price: DrumComputer at Free against K Machine audio visual engine's $8.99. DrumComputer also leads on rating (4.8 vs 3.7) and review sentiment (81% vs 45%). K Machine audio visual engine's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On 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

DrumComputer is free to download; K Machine audio visual engine costs $8.99 up front. DrumComputer sells 1 one-off in-app purchase. K Machine audio visual engine asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

DrumComputer holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: DrumComputer has 621 ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 45% of K Machine audio visual engine's written reviews are positive against 81% of DrumComputer's.

UpkeepUpdate frequency

K Machine audio visual engine ships an update every 4 weeks, DrumComputer every 3 weeks. The most recent releases landed on September 17, 2026 and October 15, 2026 respectively.

Scorecard8 real differences · 2 level
K Machine audio visual engine versus DrumComputer: the parameters behind the verdict, then further details
ParameterK Machine audio visual engineDrumComputer
Price$8.99Free — better
Rating3.7 (25 ratings)4.8 (621 ratings) — better
Positive reviews45.0% of reviews81.0% of reviews — better
Number of ratings25621 — better
Update frequencyEvery 4 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS9.3 — better17.6
Further details — not scored
Size175 MB1.6 GB
Age rating4+4+
DeveloperDominique BaillotSugar Bytes GmbH

Customer experience

K Machine audio visual engine

All ratings25 ratings
Positive64.0%
Neutral8.0%
Negative28.0%
Written reviews20 reviews
Positive45.0%
Neutral10.0%
Negative45.0%

DrumComputer

All ratings621 ratings
Positive95.0%
Neutral2.3%
Negative2.7%
Written reviews147 reviews
Positive81.0%
Neutral8.2%
Negative10.9%

Bugs and requests

K Machine audio visual engine

Not enough reviews yet to summarise bugs or requests.

DrumComputer

Reported bugs

3 issues
  • Crashes on startup with iOS 14.2
  • Inability to import samples in some cases
  • MIDI out only supports single channel

Requested features

7 requests
  • Add real-time beat recording
  • Improve MIDI mapping capabilities
  • Add randomization options for tempo, sequence length, and mixing
  • Improve preset management (ability to delete presets)
  • Optimize for better performance and battery life
Show 2 more
  • Add a dedicated envelope for mixer level control
  • Improve signal flow visualization and clarity

In-app purchases

None

K Machine audio visual engine

No in-app purchases

1 purchases

DrumComputer

One-time1
  • DrumComputer Full Version$29.99

Questions

Is K Machine audio visual engine free?
K Machine audio visual engine costs $8.99, with no in-app purchases.
Is DrumComputer free?
DrumComputer is free to download, with in-app purchases available.
Which has better reviews, K Machine audio visual engine or DrumComputer?
DrumComputer is rated higher. K Machine audio visual engine averages 3.7 out of 5 from 25 ratings, while DrumComputer averages 4.8 from 621 ratings.
Do K Machine audio visual engine or DrumComputer have ads?
Neither K Machine audio visual engine nor DrumComputer shows ads.
Which is updated more often, K Machine audio visual engine or DrumComputer?
K Machine audio visual engine ships an update every 4 weeks, and DrumComputer every 3 weeks. Most recently, K Machine audio visual engine was updated on September 17, 2026 and DrumComputer on October 15, 2026.

Other comparisons