# MusiKraken vs RX

The clearest difference is in-app purchases: MusiKraken at none against RX's 1. RX's advantage is update cadence (weekly vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

MusiKraken costs $9.99 and RX $9.99 up front. RX sells 1 one-off in-app purchase. MusiKraken asks for nothing beyond the download.

MusiKraken ships an update every 4 weeks, RX weekly. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | MusiKraken | RX |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| Rating | **[5.0 (24 ratings)](https://appshunter.io/ios/app/musikraken/id1538781007/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 97.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | Paid | — |
| Size | 110 MB | 25 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Snarp](https://appshunter.io/developer/376179401) | [sung ju KIM](https://appshunter.io/developer/6781333993) |

## What reviewers say

### MusiKraken

[App page](https://appshunter.io/ios/app/musikraken/id1538781007)

Transform your mobile device into a powerful, customizable MIDI controller. Utilize built-in sensors and connected hardware to create unique musical expressions and control instruments or software. Supports advanced MIDI features and audio unit plugins.

**Highlights:** Modular MIDI controller editor, Device sensor inputs (touch, motion, camera, mic), Connect external devices (game controllers, Apple Watch), MIDI effects and routing, Audio Unit (AUv3) plugin hosting, MIDI 2.0 support, OSC data output

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### RX

[App page](https://appshunter.io/ios/app/rx-79/id6821795679)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SJ PACK | $5.99 | one-time |


## Frequently asked questions

### Is MusiKraken free?

MusiKraken costs $9.99, with no in-app purchases.

### Is RX free?

RX costs $9.99, and also offers in-app purchases.

### Do MusiKraken or RX have ads?

Neither MusiKraken nor RX shows ads.

### Which is updated more often, MusiKraken or RX?

MusiKraken ships an update every 4 weeks, and RX weekly. Most recently, MusiKraken was updated on November 3, 2026 and RX on October 29, 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.*