# K Machine audio visual engine vs Drambo

The clearest difference is price: K Machine audio visual engine at $8.99 against Drambo's $24.99. K Machine audio visual engine also leads on in-app purchases (none vs 5) and iOS requirement (9.3 vs 15.6). Drambo's advantage is rating (4.8 vs 3.7) and review sentiment (87% vs 45%). On update cadence, ads and device support there is nothing between them.

K Machine audio visual engine costs $8.99 and Drambo $24.99 up front. Drambo sells 5 one-off in-app purchases. K Machine audio visual engine asks for nothing beyond the download.

Drambo holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Drambo has 325 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 87% of Drambo's.

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

## The numbers

| Metric | K Machine audio visual engine | Drambo |
| --- | --- | --- |
| Price | **$8.99** | $24.99 |
| Rating | [3.7 (25 ratings)](https://appshunter.io/ios/app/k-machine-audio-visual-engine/id1095617380/reviews) | **[4.8 (325 ratings)](https://appshunter.io/ios/app/drambo/id1469365718/reviews)** |
| Number of ratings | 25 | **325** |
| Positive reviews | 45.0% of reviews | **86.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 175 MB | 144 MB |
| Requires iOS | **9.3** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dominique Baillot](https://appshunter.io/developer/973863389) | [BeepStreet](https://appshunter.io/developer/321412321) |

## 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


### Drambo

[App page](https://appshunter.io/ios/app/drambo/id1469365718)

This app offers a flexible sound design experience, allowing users to build beats, create synthesizers, and process audio with effects. Its innovative modular system simplifies connections and organization, making it suitable for both beginners and experienced musicians. It functions as a standalone application or a plugin within a DAW.

**Highlights:** Modular sound design, Intuitive cable-less connections, Advanced sequencer, Standalone and AUv3 plugin, Over 140 modules, Polyphonic stereo processing

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Granular extension | $4.99 | one-time |
| Waves extension | $4.99 | one-time |
| Formants extension | $4.99 | one-time |
| DSP extensions 1 | $4.99 | one-time |
| Visual extension | $14.99 | one-time |

**What reviewers like**

- 🚀 Incredibly powerful and flexible
- 🎨 Endless creative possibilities
- 👍 Intuitive and well-designed interface
- 🔧 Modular synth capabilities
- 🎛️ Excellent sequencing and groove box features

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 🔒 Limited undo/redo functionality
- 🔊 Audio export issues (pitch/tempo problems)
- 🔀 Lack of dedicated audio track support

**Reported bugs**

- Audio cutting out after 5 minutes of use
- Presets and patches not loading properly
- Incompatibility with certain iOS devices

**Requested features**

- Stem/track export functionality
- MIDI CC learn and external control
- Ableton Link support
- More parameter control and modulation options
- Improved piano roll and sequencing tools


## Frequently asked questions

### Is K Machine audio visual engine free?

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

### Is Drambo free?

Drambo costs $24.99, and also offers in-app purchases.

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

Drambo is rated higher. K Machine audio visual engine averages 3.7 out of 5 from 25 ratings, while Drambo averages 4.8 from 325 ratings.

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

Neither K Machine audio visual engine nor Drambo shows ads.

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

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