Comparison

K Machine audio visual engine vs Phazr

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
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"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

Phazr

Transform your music into an immersive, multisensory experience. This app enhances audio with real-time visualizers and haptic feedback. It plays locally downloaded music or captures environmental sound via the microphone.

Highlights
  • Real-time haptic feedback
  • 9 unique visualizers
  • Plays local music files
  • Microphone audio capture
  • Game controller integration
  • ProMotion and HDR display support
Currently charting
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Turn your music into a multisensory experience. Phazr is a music player that enhances your music with visualizers and haptic effects. Streaming services like Apple Music and Spotify are not supported because they do not provide third party developers with raw audio access. Music - play locally downloaded DRM-free content from your music library or the Files app. - use the microphone to capture environmental sound Haptics - Phazr generates vibration effects in real time based on the music that is playing - haptics play on devices supporting Core Haptics - haptics will also play on any supported game controllers paired to your device - game controllers with configurable lighting will adjust their light colors to the music Visualizers - 9 unique visualizers are included - visualizers react to audio, Multi-Touch, and device tilt - visualizers take full advantage of Pro Motion and HDR displays - each visualizer has its own alternate app icon Photosensitive Warning A very small percentage of individuals may experience epileptic seizures when exposed to certain light patterns or flashing lights. Exposure to certain patterns or backgrounds on a screen may induce an epileptic seizure in these individuals. Certain conditions may induce previously undetected epileptic symptoms even in persons who have no history of prior seizures or epilepsy. If you, or anyone in your family, have an epileptic condition, consult your physician prior to using this app. If you experience any of the following symptoms while using this app - dizziness, altered vision, eye or muscle twitches, loss of awareness, disorientation, any involuntary movement, or convulsions - immediately discontinue use and consult your physician before resuming.

Screenshots

K Machine audio visual engine4 screens
Phazr3 screens

Verdict

The call

The clearest difference is rating: Phazr at 4.6 against K Machine audio visual engine's 3.7. Phazr also leads on review sentiment (82% vs 45%) and price ($3.99 vs $8.99). K Machine audio visual engine's advantage is update cadence (every 4 weeks vs every 2 months) and iOS requirement (9.3 vs 18.0). 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

CostPrice · In-app purchases · Ads · Monetization

K Machine audio visual engine costs $8.99 and Phazr $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Phazr holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: Phazr has 137 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 82% of Phazr's.

UpkeepUpdate frequency

K Machine audio visual engine ships an update every 4 weeks, Phazr every 2 months. The most recent releases landed on September 17, 2026 and October 12, 2026 respectively.

Scorecard8 real differences · 3 level
K Machine audio visual engine versus Phazr: the parameters behind the verdict, then further details
ParameterK Machine audio visual enginePhazr
Price$8.99$3.99 — better
Rating3.7 (25 ratings)4.6 (137 ratings) — better
Positive reviews45.0% of reviews82.4% of reviews — better
Number of ratings25137 — better
Update frequencyEvery 4 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank—#155 — better
DevicesiPhone, iPad, iPodiPhone, iPad, Vision Pro
Requires iOS9.3 — better18.0
Further details — not scored
Size175 MB12 MB
Age rating4+4+
DeveloperDominique BaillotDaniel Resnick

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%

Phazr

All ratings137 ratings
Positive90.5%
Neutral1.5%
Negative8.0%
Written reviews74 reviews
Positive82.4%
Neutral4.1%
Negative13.5%

Bugs and requests

K Machine audio visual engine

Not enough reviews yet to summarise bugs or requests.

Phazr

Reported bugs

4 issues
  • Files deleted after playing
  • Songs end early
  • Visualizers not working after first use
  • Laggy menu loading

Requested features

20 requests
  • Add haptic feedback when screen is locked
  • Add shuffle mode for tracks and visuals
  • More visuals
  • Support for background playback with vibrations
  • Ability to disable AR and move camera with fingers
Show 15 more
  • Control zoom and other visualizer settings
  • Color schemes for visuals
  • Add repeat function
  • Add support for Spotify
  • Add support for YouTube Music
  • Add support for SoundCloud
  • Add loop option
  • Change background color or visual colors
  • Optional mode to turn off visual imagery for pocket use
  • Settings to reduce or alter motion and brightness
  • Ability to adjust vibration strength
  • Ability to favorite playlists
  • Tailor haptic feedback by frequency
  • Recording feature
  • More music visualizing features

In-app purchases

None

K Machine audio visual engine

No in-app purchases

None

Phazr

No in-app purchases

Questions

Is K Machine audio visual engine free?
K Machine audio visual engine costs $8.99, with no in-app purchases.
Is Phazr free?
Phazr costs $3.99, with no in-app purchases.
Which has better reviews, K Machine audio visual engine or Phazr?
Phazr is rated higher. K Machine audio visual engine averages 3.7 out of 5 from 25 ratings, while Phazr averages 4.6 from 137 ratings.
Do K Machine audio visual engine or Phazr have ads?
Neither K Machine audio visual engine nor Phazr shows ads.
Which is updated more often, K Machine audio visual engine or Phazr?
K Machine audio visual engine ships an update every 4 weeks, and Phazr every 2 months. Most recently, K Machine audio visual engine was updated on September 17, 2026 and Phazr on October 12, 2026.

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