# RK vs UxMIDI Tools

The clearest difference is rating: RK at 5.0 against UxMIDI Tools's 4.0. RK also leads on review sentiment (67% vs 50%) and ratings volume (9 vs 1). UxMIDI Tools's advantage is update cadence (weekly vs every 5 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RK holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: RK has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of RK's written reviews are positive against 50% of UxMIDI Tools's.

RK ships an update every 5 months, UxMIDI Tools weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | RK | UxMIDI Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/rk-006/id1516602717/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/uxmidi-tools/id1632044346/reviews) |
| Number of ratings | **9** | 1 |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Free | Free |
| Size | 3 MB | 6 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Gerrit Dijkstra](https://appshunter.io/developer/437476213) | [CME PTE. LTD.](https://appshunter.io/developer/833376644) |

## What reviewers say

### RK

[App page](https://appshunter.io/ios/app/rk-006/id1516602717)

Manage your RK006 Master Hub with this app. Design and save configurations, set up presets for event filtering, clock processing, and output modes. Connect your iOS device to MIDI, CV/Gate, and control it from your DAW.

**Highlights:** RK006 Master Hub management, MIDI, CV/Gate control, Preset design and saving, Event filtering, Clock processing, Output mode configuration

**Features:** macOS Compatibility

**In-app purchases:** none


### UxMIDI Tools

[App page](https://appshunter.io/ios/app/uxmidi-tools/id1632044346)

Configure and update firmware for CME USB MIDI devices. Manage routing, mapping, and filtering of MIDI events for precise control over your music production hardware. Requires a USB lightning adapter for connection.

**Highlights:** Firmware updates for CME USB MIDI products, Full product configuration, MIDI routing management, MIDI mapping capabilities, MIDI event filtering, USB lightning adapter required

**In-app purchases:** none


## Frequently asked questions

### Is RK free?

RK is free to download, with no in-app purchases.

### Is UxMIDI Tools free?

UxMIDI Tools is free to download, with no in-app purchases.

### Which has better reviews, RK or UxMIDI Tools?

RK is rated higher. RK averages 5.0 out of 5 from 9 ratings, while UxMIDI Tools averages 4.0 from 1 ratings.

### Do RK or UxMIDI Tools have ads?

Neither RK nor UxMIDI Tools shows ads.

### Which is updated more often, RK or UxMIDI Tools?

RK ships an update every 5 months, and UxMIDI Tools weekly. Most recently, RK was updated on October 24, 2026 and UxMIDI Tools on October 24, 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.*