How to Prevent multiple users from creating account on same device?

I am building an app with adalo. I wanted to prevent fraud on my app by preventing users from signing up with different email ids on the same device(android phone). How can I achieve this?

Hi @pbhirud,

As an option - don’t allow the user to log off at all. And to be on the safe side, you can make Signup form conditionally visible (only if Logged-in User → Email is equal to Empty).

With this, after user Sign Up, he/she won’t be able to logout and should stay signed up forever. Also, if he/she uses “back” button and gets to Signup screen, he/she won’t see the signup form.

Best regards, Victor.

Thanks for the idea! I will try to implement it.

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