Comparison

TouchViZ vs K Machine audio visual engine

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

Head to head
About

TouchViZ

Create and mix impressive video visuals on your iPad. Import multiple videos, use live camera feeds, and apply numerous effects. Output to external screens and control wirelessly via MIDI or OSC.

Highlights
  • Import up to 125 videos
  • Mix two video channels with independent speed and blend modes
  • External display output
  • Live camera input
  • Real-time video recording
  • 54 effect filters
  • MIDI and OSC control
Read full description

At home or in the club, professionally or just for fun - create impressive visuals right on your iPad. FEATURES - Import up to 125 videos into your set via File Sharing or from the iPad's library - Playback and mix two channels of video with independent playback speed control and 10 different blend modes - Display the output on an external screen or projector using iPad-compatible video adapters - Use the iPad's front and back-facing cameras as input to integrate live footage into your set - Record video of the app's output in real-time, and use immediately in your set or transfer to a PC later - Apply one of 54 effect filters to each channel and the master output - Control effect parameters using the multi-touch enabled preview area - Preview the output in full-screen on the iPad - Save and load your set to recall, backup or transfer sets between iPads using File Sharing - Configure the interface layout to your preference - 10 demo clips by hexler and pixeldelay included - CoreMIDI support allows full control of TouchViZ wirelessly using CoreMIDI Network sessions, iPad MIDI interfaces or by connecting a compatible USB or wireless MIDI-controller - Open Sound Control support allows full control of TouchViZ from any application that supports OSC such as Max/MSP, PureData, Max4Live, TouchOSC and others

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.

Screenshots

K Machine audio visual engine4 screens

Verdict

The call

TouchViZ and K Machine audio visual engine both sit at 3.9 stars, but that hides the real split: 67% of TouchViZ's written reviews are positive against 45% of K Machine audio visual engine's. K Machine audio visual engine's advantage is update cadence (every 4 weeks vs every 3 months) and device support (3 vs 1). 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

TouchViZ costs $9.99 and K Machine audio visual engine $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

TouchViZ holds the better App Store score, 3.9 against 3.7. Both are backed by a comparable volume of ratings — 44 and 25 respectively. Written reviews point the same way: 67% of TouchViZ's written reviews are positive against 45% of K Machine audio visual engine's.

UpkeepUpdate frequency

TouchViZ ships an update every 3 months, K Machine audio visual engine every 4 weeks. The most recent releases landed on October 6, 2026 and September 17, 2026 respectively.

Scorecard5 real differences · 5 level
TouchViZ versus K Machine audio visual engine: the parameters behind the verdict, then further details
ParameterTouchViZK Machine audio visual engine
Price$9.99$8.99 — better
Rating3.9 (44 ratings) — better3.7 (25 ratings)
Positive reviews66.7% of reviews — better45.0% of reviews
Number of ratings44 — better25
Update frequencyEvery 3 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPadiPhone, iPad, iPod — better
Requires iOS11.09.3 — better
Further details — not scored
Size11 MB175 MB
Age rating4+4+
DeveloperHexler LLCDominique Baillot

Customer experience

TouchViZ

All ratings44 ratings
Positive65.9%
Neutral15.9%
Negative18.2%
Written reviews60 reviews
Positive66.7%
Neutral15.0%
Negative18.3%

K Machine audio visual engine

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

Bugs and requests

TouchViZ

Reported bugs

17 issues
  • App freezes when accessing Camera Roll
  • Crashes when trying to upload photos from Camera Roll
  • Crashing issues
  • Cannot load videos (version 1.5.1 and iOS 15.2)
  • Support for loading video from camera roll is broken/outdated
Show 12 more
  • Unable to load own media (only stock content)
  • Freezes every time Camera Roll button is pressed
  • App freezes when trying to load new visuals from library or Camera Roll
  • MIDI implementation is opaque, cannot recognize MIDI CCs
  • App crashes constantly
  • MIDI messages cause freezing or shutting down
  • Crashing when using constantly
  • Crashes with full HD video on iPad 2
  • Cannot load from own videos, only Recently Added
  • Media access denied automatically
  • Crashing on iPad Pro when loading videos
  • No media available in library or camera tabs, only preloaded demo files

Requested features

34 requests
  • Modernize the app
  • Improve file handling
  • Expand FX options
  • Pass through audio from imported videos
  • Controller mapping with learn feature
Show 29 more
  • Scenes, tempo sync, MIDI clock integration
  • Add text overlay
  • Scene store and recall (presets)
  • Sync effect rates to MIDI tempo/clock
  • Wait to switch until next beat
  • Nested folders and search for media
  • Tagged searching
  • MIDI learn feature
  • Video scrolling and loop selection
  • Sequence clips by tap tempo or clip completion
  • Forward and reverse playback of clips
  • Ability to record from camera
  • Ability to record master mix
  • Higher output resolution (1080p+)
  • Control in and out points of clips
  • Scrub video position
  • More effects
  • One more video layer
  • Text or image layer
  • Use accelerometers for effect control
  • Ableton Link compatibility
  • Sync effects with music/BPM
  • Manual field entry for effects
  • Inverse strobe/Strobe color choices (black)
  • Cue button for clips
  • Tunnel FX
  • Layer mixing modes
  • Ping pong loop option
  • Chroma key layering

K Machine audio visual engine

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

TouchViZ

No in-app purchases

None

K Machine audio visual engine

No in-app purchases

Questions

Is TouchViZ free?
TouchViZ costs $9.99, with no in-app purchases.
Is K Machine audio visual engine free?
K Machine audio visual engine costs $8.99, with no in-app purchases.
Which has better reviews, TouchViZ or K Machine audio visual engine?
TouchViZ is rated higher. TouchViZ averages 3.9 out of 5 from 44 ratings, while K Machine audio visual engine averages 3.7 from 25 ratings.
Do TouchViZ or K Machine audio visual engine have ads?
Neither TouchViZ nor K Machine audio visual engine shows ads.
Which is updated more often, TouchViZ or K Machine audio visual engine?
TouchViZ ships an update every 3 months, and K Machine audio visual engine every 4 weeks. Most recently, TouchViZ was updated on October 6, 2026 and K Machine audio visual engine on September 17, 2026.

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