Sub-brands allow you to manage users across all your varying apps, websites and products
rownd:app_variants
is added to their profile with a list of any sub-brands with which the user has interacted. You can also manage these attributes to add or remove a user from a sub-brand.
Additionally, when the user signs in or out of a sub-branded app, their profile metadata will include a map of each sub-brand containing the sign-in method used and the last time they signed in.