From their T&C's page "you may provide us with information about your contacts (such as names, email addresses, etc.)" Whoever installs this app consents to sh

From their T&C's page "you may provide us with information about your contacts (such as names, email addresses, etc.)" Whoever installs this app consents to sharing the information of their contacts, who might not consent to having their data shared. Ultimately, this could lead to giving disposable contact details to friends and relatives, in order to (try to) preserve one's privacy.