Published by Dr. Frederik Bertling on Sep 2, 2023

Report an issue with OSCAR.
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Why should I report an Issue with OSCAR?

  1. AppContacter will directly Email your issue/feedback to an apps's customer service once you report an issue and with lots of issues reported, companies will definitely listen to you.
  2. Pulling issues faced by users like you is a good way to draw attention of Dr. Frederik Bertling to your problem using the strength of crowds.
  3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.
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OSCAR Customer Insights

1. Thought I'd experienced freedom with midi.....but this is controller heaven! Strange thing is I just got a tablet and bought this on a whim, didn't expect it to work as well as it did lol!I'm using this to control Reaper and it's great.

2. If it works, BUY THIS! You won't regret it.This program shows promise... however in reaper it doesn't control anything just gives time and meter readingsSoooo sweet! Works like a charm in reaper.

3. It will not work correctly if you only have one-way communication between devices.Wow! A little setup with the ports and ip addresses and away it went in Reaper! I looked, read, installed, and dumped so many controllers and THIS IS the answer for Reaper.

4. Not only does it control the program, it also receives from it so you see VU meters, track names and time code on the tablet.

5. No refund option either?Can you please make a diagram edit of equalizer like in most digital mixers? It will help very much to control RME interfacesControls my RME Fireface UFX perfectly from a Motorola Nexus 6.

6. With this quality of work I highly recommend Frederick stick with this project, and everyone with Reaper try the demo.

7. Best controller I've used,It's all well connected, but when i hit start control panel the phone goes black.

8. Has VU meter feedback, and supports channel labels as well as most other aspects of the TotalMix FX software.

9. When you load a project all the fader and panned positions are shown on the tablet.

10. Any suggestions?I had been using TouchOSC with the iPad/iPhone templates for TotalMixFX.

11. Best way to control RME Totalmix.

Steps to Troubleshoot & Fix OSCAR Issues

1. Fix OSCAR Not Working/Crashes/Errors/Unresponsive & Black/White screen:


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


2. Fix OSCAR Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make OSCAR 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 OSCAR not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, OSCAR may not be able to connect to the Internet when running in the background.

Reported Issues