Tandem is an online language-learning platform where anyone can teach and learn with each other.
The popularity of this language-learning platform has been increasing with each passing day due to its unique approach.
There is no denying that Tandom is an amazing platform to learn a foreign language but it does have some issues and errors that can spoil your mood.
Among those errors is an ‘app failed to authenticate.’
This error prevents users from verifying their account information.
If you too are getting the same error on Tandem then don’t worry because we got you covered.
Without any further ado, let’s get started:
Tandem App Failed to Authenticate Solutions (2025)
Here are some ways to resolve the ‘App failed to authenticate’ error on Tandem:
Restart Your Device
Whenever you encounter an error while using the Tandem app, the first thing you should do is force close the app and then restart your device.
Doing this will resolve all temporary bugs and glitches that are present in your device.
It will also resolve issues caused by other applications running in the background.
So, close all the applications and then press and hold the power button then select Power Off.
Now, wait for some time restart your device, and check if the problem is fixed.
If you keep getting the same error on Tandem then move on to the next troubleshooting methods.
Verify Login Method
If you are getting the Tandem App failed to authenticate problem while logging in to your Tandem account then make sure to verify your login method.
While login to your Tandem account, make sure to use the same login method that you used to create your account.
If you have used a Google Account or Facebook while creating the Tandem account then make sure to use the same login method.
Check App Permissions
If the tandem app does not have all the required permissions then you may encounter the Authentication problem.
In that case, you should check and provide all required permissions to the Tandem app.
To do so, go to Settings > Apps > Manage Apps > Tandem > Permissions.
Now, enable all the permissions required to use the Tandem app.
Once done, close the settings and open the Tandem app to check if the problem is fixed.
Clear All Data
On social media, many users mentioned that they fixed the failed-to-authenticate problem by clearing the cache files and app data on the Tandem app.
If you are still encountering the same problem then you should consider clearing the cache files and app data.
To do so, use the steps mentioned below:
- Open the Settings app.
- Then go to Apps > Manage Apps.
- Now, you will see the list of applications that are installed on your device.
- Look for the Tandem app and select it.
- Now, go to Storage and select Clear Cache.
- Then select “Clear all data” or “Clear Storage”.
- That’s it.
Reinstall The App
If clearing the cache and app files does not fix your problem then you should consider uninstalling and reinstalling the Tandem app.
To do so, tap and hold the Tandem app and then select Uninstall or Delete.
This will delete the Tandem app from your device.
Now, wait for some time and reinstall the Tandem app to check if the problem is fixed.
Contact Support
If you have tried everything but are facing the same problem then you should contact Tandem Support for further assistance.
That’s how you can fix the Tandem App failed-to-authenticate problem.
