# Effectrix vs K Machine audio visual engine

The clearest difference is price: Effectrix at Free against K Machine audio visual engine's $8.99. Effectrix also leads on rating (4.7 vs 3.7) and review sentiment (67% vs 45%). K Machine audio visual engine's advantage is in-app purchases (none vs 1) and update cadence (every 4 weeks vs every 4 months). On ads and monetization model there is nothing between them.

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

Effectrix holds the better App Store score, 4.7 against 3.7. Both are backed by a comparable volume of ratings — 97 and 25 respectively. Written reviews point the same way: 67% of Effectrix's written reviews are positive against 45% of K Machine audio visual engine's.

Effectrix ships an update every 4 months, K Machine audio visual engine every 4 weeks. The most recent releases landed on October 13, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Effectrix | K Machine audio visual engine |
| --- | --- | --- |
| Price | **Free** | $8.99 |
| Rating | **[4.7 (97 ratings)](https://appshunter.io/ios/app/effectrix/id681772221/reviews)** | [3.7 (25 ratings)](https://appshunter.io/ios/app/k-machine-audio-visual-engine/id1095617380/reviews) |
| Number of ratings | **97** | 25 |
| Positive reviews | **67.3% of reviews** | 45.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | Paid | Paid |
| Size | 52 MB | 175 MB |
| Requires iOS | 17.6 | **9.3** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sugar Bytes GmbH](https://appshunter.io/developer/614418826) | [Dominique Baillot](https://appshunter.io/developer/973863389) |

## What reviewers say

### Effectrix

[App page](https://appshunter.io/ios/app/effectrix/id681772221)

This professional multi-effect sequencer for iPad allows users to create unique sound patterns and loop collages by scattering 14 intelligent effects across a sequencer matrix. It offers a playful workflow, refined algorithms, and a wide spectrum of effects for outstanding results.

**Highlights:** Multi-effect sequencer matrix, 14 intelligent effects, Creative sound pattern generation, Loop collage creation, Audio Unit v3 integration, Full MIDI support, Ableton Link synchronization

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Effectrix Full Version | $24.99 | one-time |


### K Machine audio visual engine

[App page](https://appshunter.io/ios/app/k-machine-audio-visual-engine/id1095617380)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Effectrix free?

Effectrix is free to download, with in-app purchases available.

### Is K Machine audio visual engine free?

K Machine audio visual engine costs $8.99, with no in-app purchases.

### Which has better reviews, Effectrix or K Machine audio visual engine?

Effectrix is rated higher. Effectrix averages 4.7 out of 5 from 97 ratings, while K Machine audio visual engine averages 3.7 from 25 ratings.

### Do Effectrix or K Machine audio visual engine have ads?

Neither Effectrix nor K Machine audio visual engine shows ads.

### Which is updated more often, Effectrix or K Machine audio visual engine?

Effectrix ships an update every 4 months, and K Machine audio visual engine every 4 weeks. Most recently, Effectrix was updated on October 13, 2026 and K Machine audio visual engine on September 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*