Firebase's Realtime Database does this, too. https://firebase.google.com/pricing/ https://firebase.google.com/pricing/ (Disclosure: I work on Cloud Datastore,

Firebase's Realtime Database does this, too. https://firebase.google.com/pricing/ https://firebase.google.com/pricing/ (Disclosure: I work on Cloud Datastore, which is another Google Cloud product; it, too, does pricing based on ops and storage rather than provisioning, as my colleagues note.)