Published by Helpful Books

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  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.
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  3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.

Music theory Customer Insights

1. Great job I love the app keep on.I found it very useful...but its not opening in my mobile since last month...please fix the bugVery nice for the students who appear for western classical music examination.Awesome. Being looking for this.

2. After the update - it crashes after I try to open it upWow!🔥 This is extremely wonderful app for start up singers and others thou.

3. I tried several times, and I never got to use it even once.This app is very wonderful it covers the basic music theories.

4. It just crashed the moment I tapped on its icon on my home screen.

5. Keep the spirit.It crashed since download.

6. This should in every musicians phone.Before the update - it was fine.

7. Please fix.Good and easy to readIn fact, the best.

8. It does not work.

9. Thanks to the developers.

Steps to Troubleshoot & Fix Music theory Issues

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


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


2. Fix Music theory Server issues & Internet Connection


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

Reported Issues