Yes, both Siftrock and Constant Contact offer a Free Trial.
Siftrock is designed for Large Enterprises, Medium Business and Small Business.
Constant Contact is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both Siftrock and Constant Contact are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Siftrock includes EngageBay, Constant Contact, Campaign Monitor, Salesforce Email Studio, Inbox Mailers, Elite Campaign, Drift, Drift Email, Contactspot and Ackwire.
Some top alternatives to Constant Contact includes Campaigner, Moosend and SMTP.