Published by mikrosonic

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About RD4 Groovebox Demo

1. RD4 - Groovebox is a music making app with virtual analog synthesizers, drum machines and effects.

2. Manipulate the sound of the synthesizers by tweaking the oscillators, resonant filters and audio envelopes.

3. This multi-touch enabled app makes it simple to invent unique loops and musical phrases.

4. Add audio effects like reverb, distortion, phaser, filter and delay to your sounds.

5. Record live or set notes with the dedicated sequencer or piano roll of each instrument.

6. Turn your phone or tablet into a musical instrument!

7. Compose and arrange your music in real-time.

8. It seems the interface has been designed around your fingertips".

9. Appropriate both for experienced musicians and beginners.

10. Choose instruments individually for the 4 channels.

11. "This is no desktop app crammed onto a touchscreen.

RD4 Groovebox Demo Customer Insights

1. The only thing that would improve it would be the ability to upgrade to the full version so you don't lose the pattern you've created in the demo.

2. RecommendIt's a great demo and convinced me to buy the full version.

3. High cutoff & resonance w/ distortion fx = classic Tb squelch goodness =) Demo mimics vsti's demos.

4. Can't save projects or loops on demo, but unlike vsti demo's, it DOESNT glitch/puke/mute audio wen demo popup interrupts.

5. A more comprehensive help/tutorial might also be worthwhileFirst impression is good but big villian is full screen ads.

6. Demo fine for direct recording of loops.

7. Want any whose interested to begin with this simple touchkey practicing from a smart phone screen.

8. Might even want full keyboard instrument after using this.

9. Kinda hated the idea initially, and then after about 25 minutes I thought wow so cool to finally have this emulator and be prepared for a true synthesis after this.

10. Good sound & knob tweak response w/clean filter & env.

11. Thre is no option for creation and save music.This is Rebirth 338 w/ less patterns.

Steps to Troubleshoot & Fix RD4 Groovebox Demo Issues

1. Fix RD4 Groovebox Demo Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart RD4 Groovebox Demo: Restarting the app will resolve most errors.
  2. Update the RD4 Groovebox Demo App. Here is how:
    1. On Android goto PlayStore » Search for "RD4 Groovebox Demo" » Open RD4 Groovebox Demo » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for RD4 Groovebox Demo » click "UPDATE".
  3. Clear RD4 Groovebox Demo app cache: Clearing cached data will force your app to retrieve the latest data directly from RD4 Groovebox Demo servers.
    1. On Android, goto Settings » Apps » Select "RD4 Groovebox Demo" » click Storage » click "Clear Cache".
  4. Check RD4 Groovebox Demo app permissions. If any of these permissions required to use your device's features are disenabled, RD4 Groovebox Demo might not work.
  5. Uninstall and reinstall RD4 Groovebox Demo. If nothing else has worked, completely uninstall RD4 Groovebox Demo then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing RD4 Groovebox Demo not working


2. Fix RD4 Groovebox Demo Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make RD4 Groovebox Demo be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to RD4 Groovebox Demo not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, RD4 Groovebox Demo may not be able to connect to the Internet when running in the background.

Reported Issues