Unfold is a mobile app owned and run by Squarespace. You don't need a Squarespace website to use Unfold. The Unfold app will prompt you to sign into or create a Squarespace account when you:
Linking your Unfold app to a Squarespace account ensures seamless integration with other Squarespace products. Apple or Google, depending on your device, will continue to handle your payments for any subscriptions or in-app purchases made through the Unfold mobile app.