APP FAQS:     

I can't download the app 
  • You are running out of memory storage space.
  • Consider getting a device with a minimum storage of 150 mb. But 300 Mb  is more comfort,   because of the photos and videos

I get the error "No connection to Server". 
  • There is no Internet 3G/4G/5G or WIFI is too lower.

When trying to log in it gives an unknown user error or "Invalid Login" 
  • On the initial screen, you must log in with the e-mail address and password provided, and choose the option "LOG IN".

I've forgot my password , How to reset my password?
  • In this case, you have to enter your email address on the login screen and then click on the bottom to remember your password "Forgot your password? Enter your email and click here".

I can't download the app, it says "account invalid" in the App Store or Play Store. 
  • Do not use your Atrivity username and password for this, use your iTunes or Google account to download the app, just like all other apps.