ClassNinjas app not working? crashes or has problems?

ClassNinjas Status

Last Updated on 2020-03-24 by ClassNinjas GmbH

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Common ClassNinjas Problems & Solutions. Troubleshooting Guide

Complete guide to troubleshoot ClassNinjas app on iOS and Android devices. Solve all ClassNinjas app problems, errors, connection issues, installation problems and crashes.

Table of Contents:

ClassNinjas iPhone Issues and Solutions

ClassNinjas iOS app crashes, not working, errors
ClassNinjas iOS app network issues
ClassNinjas on iOS has black/white screen

ClassNinjas Android App Issues and Solutions

ClassNinjas has errors/crashing/not working
ClassNinjas server network connectivity issues
ClassNinjas has black screen

ClassNinjas iPhone Issues and Solutions

Here are some helpful workarounds that should work whenever ClassNinjas app keeps crashing or doesn't work as expected on your iPhone 14, 13,12,10,8,7,6, SE,XS,XR.

How to fix ClassNinjas app crashes or not working on Iphone (iOS):

Close and restart the ClassNinjas app on iPhone
Update ClassNinjas app to the Latest Version for iOS
Uninstall and reinstall ClassNinjas iPhone app
Update your iPhone to the latest iOS version

Fix ClassNinjas on iPhone unable to connect to server/internet connection issues::

To resolve ClassNinjas network issues, Reset phone network settings:
1. On iphone, Goto "Settings" » "General" » "Reset" » "Reset Network Settings".
2. Enter your device passcode. Then confirm "Reset Network Settings".

Turn off your VPN:
1. Goto "Settings" » "General" » "VPN".

Fix ClassNinjas black/white screen (blank screen) on iPhone:

Follow the ClassNinjas iOS app troubleshooting guide Here →

ClassNinjas Android App Issues and Solutions

Fix ClassNinjas not working on Android, crashes, errors or is unresponsive:

Follow these steps to resolve intermittent ClassNinjas app issues:

Force Stop the ClassNinjas App
1. On android, goto "Settings" » click ClassNinjas app. » click "Force Stop".

Update ClassNinjas to the latest version on PlayStore

Clear ClassNinjas App Cache and Data:
1. On your device, goto "Settings" » click "Apps" » select "ClassNinjas app" » click "Storage" » click "Clear Data" option. This Clears both data and cache.
2. Relaunch ClassNinjas.

Fix ClassNinjas unable to contact server/ ClassNinjas internet connection errors on Android:

This issue is usually caused by your network. Here is how to fix:

On android, goto "Settings" » "Apps" or "Manage Apps" tab.
Click ClassNinjas » "Force Stop".
Next, goto "Storage" » "Clear Data".
Again, got ClassNinjas » "Mobile Data" » "Allow Background Data Usage".
Go back to "Settings" » "Connections" » "Mobile Network" » "Network Mode".
Now, put your network on 4G e.g. LTE/3G/2G (auto connect)
Relaunch ClassNinjas on android.

Solve ClassNinjas black/white screens issue on Android:

Follow the ClassNinjas android app crash troubleshooting guide Here →

Contact Support

Some issues cannot be easily resolved through online tutorials or self help. So we made it easy to get in contact with the support team at ClassNinjas GmbH, developers of ClassNinjas.

Verified email

Contact e-Mail: [email protected]

About this app

Und all das so unterhaltsam wie nur möglich: So hast Du nicht nur bessere Mathe-Noten, sondern auch Spaß am Lernen. • Aktuell lernst Du mit uns in der 5. , 6. , 7. und 8. • Du zahlst nur, wenn Du einen Test schreibst. Mathe lernen macht Spaß, versprochen! this app begleitet Dich in der Schule (Unterstufe/Sekundarstufe I) mit unterhaltsamen Videos, coolen Badges und spannenden Übungen. Damit Du Dein gelerntes Mathewissen überprüfen kannst, gibt es am Ende eines jeden Kapitels einen Test. Somit weißt Du stets, ob Du ready für Deine nächste Prüfung bist. So wissen Du und Deine Eltern, wie bereit Du für die nächste Prüfung bist. Wir wollen noch besser werden, daher freuen wir uns über Dein Feedback! Mehr Infos zu uns findest Du auf unserer Website app. at und auf Social Media (this app) bei TikTok, YouTube und Instagram. Wir freuen uns auf Dich!