# K Machine audio visual engine vs AudioLayer

The clearest difference is rating: AudioLayer at 4.4 against K Machine audio visual engine's 3.7. AudioLayer also leads on ratings volume (179 vs 25) and review sentiment (56% vs 45%). K Machine audio visual engine's advantage is in-app purchases (none vs 1) and price ($8.99 vs $12.99). On update cadence, ads and device support there is nothing between them.

K Machine audio visual engine costs $8.99 and AudioLayer $12.99 up front. AudioLayer sells 1 one-off in-app purchase. K Machine audio visual engine asks for nothing beyond the download.

AudioLayer holds the better App Store score, 4.4 against 3.7. That said, the two scores are not equally well evidenced: AudioLayer has 179 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 56% of AudioLayer's.

K Machine audio visual engine ships an update every 4 weeks, AudioLayer fortnightly. The most recent releases landed on June 19, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | K Machine audio visual engine | AudioLayer |
| --- | --- | --- |
| Price | **$8.99** | $12.99 |
| Rating | [3.7 (25 ratings)](https://appshunter.io/ios/app/k-machine-audio-visual-engine/id1095617380/reviews) | **[4.4 (179 ratings)](https://appshunter.io/ios/app/audiolayer/id1381478666/reviews)** |
| Number of ratings | 25 | **179** |
| Positive reviews | 45.0% of reviews | **55.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 175 MB | 242 MB |
| Requires iOS | **9.3** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dominique Baillot](https://appshunter.io/developer/973863389) | [Harry Gohs](https://appshunter.io/developer/382428644) |

## What reviewers say

### 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


### AudioLayer

[App page](https://appshunter.io/ios/app/audiolayer/id1381478666)

This app is a powerful mobile multi-sampler for music production, offering advanced features for creating and manipulating complex instruments. It integrates seamlessly with iOS production environments and supports iCloud for easy collaboration and storage.

**Highlights:** Streaming Sample Engine (SSE), Hierarchical Layer and Zone editing, Seamless Instrument Switching (SIS), Integrated audio sample recorder, Auto Sampler for hardware synths, AUv3 AudioUnit integration, iCloud storage and collaboration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SoundFont Import | $3.99 | one-time |

**What reviewers like**

- 🎹 Powerful multi-layer sampling capabilities
- 📥 EXS24 and SFZ file import support
- 🎯 Round-robin functionality for realistic instruments
- ⚡ Efficient performance on older devices
- 🎚️ Comprehensive effects rack with quality sound

**What reviewers complain about**

- 🐛 Frequent crashes across multiple iOS versions
- ⚠️ Stability issues in AUM and other hosts
- 🔌 High CPU/DSP usage causing performance spikes
- 🔋 Battery drain and device heating
- ❌ Missing undo function

**Reported bugs**

- App crashes on startup (splash screen)
- Reverb and chorus effects cause sound to disappear
- Pitch resets to -24 after stopping Logic Pro playback
- Layer voice polyphony controls not working properly
- SFZ batch import distributes samples incorrectly across layers

**Requested features**

- Time-stretching/pitch-shifting capability
- Program Change MIDI support
- Undo/Redo functionality
- GigaSampler .gig library support
- Soundfont SF2 import (now paid feature)


## Frequently asked questions

### Is K Machine audio visual engine free?

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

### Is AudioLayer free?

AudioLayer costs $12.99, and also offers in-app purchases.

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

AudioLayer is rated higher. K Machine audio visual engine averages 3.7 out of 5 from 25 ratings, while AudioLayer averages 4.4 from 179 ratings.

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

Neither K Machine audio visual engine nor AudioLayer shows ads.

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

K Machine audio visual engine ships an update every 4 weeks, and AudioLayer fortnightly. Most recently, K Machine audio visual engine was updated on June 19, 2026 and AudioLayer on September 23, 2026.

---

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