To permanently delete your Zoomerang profile:

Press Account icon at the bottom

Tap ··· at the top, then Settings

Select Privacy & Safety

Go with Safety button

Tap Delete Profile

Choose the reason and press Delete

Please note that this action can't be undone and you can't get the account back.
In case you wish to deactivate your profile, please check this article:

How to deactivate/activate your account

Updated on: 10 / 11 / 2022