Azure does, 35 days PITR andI beleive you only pay for the storage costs. Recovery is only on a database server level (not an individual database), and works by

Azure does, 35 days PITR andI beleive you only pay for the storage costs. Recovery is only on a database server level (not an individual database), and works by creating a new instance (the original instance is left as is) that is set to the state at the desired point in time.