We support Professional (REST API would need to be enabled), Enterprise and Unlimited Editions.
*Please note that Salesforce may require additional costs to enable REST API on a Professional Salesforce.com account. Contact Salesforce Customer Support for more information.
We also backup data for Sales and Service Cloud customers.
To contact Backupify support, please click here to submit a Support Request, or give us a call at 1-800-518-7449.