For deleting your account on desktop computers, head to this article and contact our support team. Once you let them know that you'd like your account to be deleted, they'll take care of it.
For deleting your account on the Here iOS app, follow these steps:
Step 1: Select your profile icon from anywhere in the app
Step 2: Select Edit Profile
Step 3: Scroll to the bottom of the edit profile screen. You'll see Delete Account next to the Logout button. Select "Delete Account"
Step 4: Confirm that you want to delete your account by selecting "Yes"
