Published by Gentoo Labs, LLC

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Why should I report an Issue with Mosby's PTCE Exam Prep?

  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 Gentoo Labs, LLC 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.

Mos Customer Insights

1. Something about not having an internet connection..... So far a waste of my time and effort.Very Good amount of open, free content.

2. NO ADS!It's really helpful and i just pass my exam .I just started using this app to study for my exam and so far I really like it it .Best app.

3. I hope I am studying the right answers.Can't log in after clicking on link.

4. So far, I have experienced 2 mistakes (which I have the screenshots of).

5. I am a bit weary of the answers.

6. Overall it's useful.

Steps to Troubleshoot & Fix Mos Issues

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


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


2. Fix Mos Server issues & Internet Connection


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

Reported Issues