RK vs M8C
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RK
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.
- RK006 Master Hub management
- MIDI, CV/Gate control
- Preset design and saving
- Event filtering
- Clock processing
- Output mode configuration
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This is the manager-app for the RK006 Master Hub. The RK006 features a 12 bus(yes, 12x16 channel MIDI Handling) MIDI Interface and and ultra stable MIDI clock generator. It can MIDI merge from it's two TRS-A MIDI Inputs and even add four self-hosted USBMIDI devices to the stream. It is able to connect your iOS device not only to MIDI but also act as a CV/Gate source with control straight from your DAW. Add extensive MIDI filters and even built-in polychaining to make this the go-to tool for any setup. This app is an iOS port from the online webMIDI portal. It allows you to design and save configurations in the RK006. Via this app you can setup presets which can handle event filtering, clock processing and RK006 port output modes (MIDI/Gate/CV) Some review snippets: "The RK006 is a game changer, making sync, MIDI and signal processing easy, even without a DAW." (juno.co.uk) "Retrokits prove themselves invaluable once again to our increasingly complex and confusing desktop hardware setups." (gearnews.com) "Incredibly versatile hub for MIDI, USB and modular, and probably the only MIDI interface you’ll ever need in or out of the studio." (Sound on Sound)
M8C
This application mirrors the screen of a Dirtywave M8 Tracker to an iOS device. It requires a compatible hardware tracker and does not handle audio routing. Users can view their M8 Tracker's interface remotely.
- Remote screen mirroring
- iOS device compatibility
- Requires M8 Tracker hardware
- No audio routing
- Official companion app
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M8C is a remote display client for the Dirtywave M8 Tracker. The app requires a production Dirtywave M8 tracker with firmware 6.0 or newer. The application allows you to mirror the M8 screen to your iOS device. To learn more about the Dirtywave M8 Tracker, visit the official Dirtywave website. Important Notes: - While Teensy 4.1 based headless units might work with the app, they are not officially supported and haven't been tested. - M8C does not provide audio routing. To handle audio, please use compatible apps such as AUM or other iOS audio hosts.
Screenshots
Verdict
The clearest difference is review sentiment: M8C at 100% against RK's 67%. RK's advantage is rating (5.0 vs 4.8) and iOS requirement (13.0 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 4.8. Both are backed by a comparable volume of ratings — 9 and 16 respectively. Written reviews complicate that: 67% of RK's written reviews are positive against 100% of M8C's, so the app with the better star average is not the one people write more warmly about.
RK ships an update every 5 months, M8C every 3 months. The most recent releases landed on July 31, 2026 and September 10, 2026 respectively.
| Parameter | RK | M8C |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (9 ratings) — better | 4.8 (16 ratings) |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 9 | 16 — better |
| Update frequency | Every 5 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 3 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Gerrit Dijkstra | Dirtywave |
Customer experience
RK
M8C
In-app purchases
RK
No in-app purchases
M8C
No in-app purchases









