Will The Blitz App cause my account to be banned ?

You will need to speak to our Terms of Service team @b5b8bbe9ba67a538 

The process to contact our ToS team can be found here: https://help.ea.com/en-us/help/account/information-about-banned-or-suspended-accounts/

1. Click Contact us at the top of any page on EA Help.
2. Select the game that your account was banned or suspended from. If it’s on your whole EA Account, choose Origin.
3. Choose your platform.
4. Select Manage my account, then Banned or suspended account.
5. Fill out any other details below.
   • For example, if you picked Origin, it might ask you if you are accessing the game through an Origin Access membership.
6. Click Select contact option.
7. Sign in to your account that has the ban or suspension, if you aren’t already.

Darko