Sarahah* is a social networking app for Android and iPhone that allows you to send and receive anonymous messages.
Website URL: www.sarahahapp.co/
*Since February 2018, Sarahah is no longer available in app stores. If the app was downloaded prior to the removal, it is still functioning.
By default, users are searchable by anyone and can receive messages from non-registered users.
This means that if a user shares their profile URL, for example on Instagram or Snapchat, (found on the profile tab eg. username.sarahah.com), they can receive anonymous messages from anyone—even if they don’t have an account.
iPhone and Android users can easily switch these both to private by: