There are 3 hosted Hydra plans: Development, Pro, and Enterprise

Compute

Storage (columnstore)

Billing

Billing is pro-rated by the hour and charged at the end of each calendar month. You can update your billing information from the Billing page.

Invoices

In the Billing page, you can view your invoices. Invoices provide details of pro-rated use of Compute, Storage, and the Subscription plan.