Yes, both Salesforce Email Studio and OpTonal offer a Free Trial.
Salesforce Email Studio is designed for Large Enterprises, Medium Business and Small Business.
OpTonal is designed for Large Enterprises, Medium Business and Small Business.
The starting price of OpTonal begins at $99/user/month when monthly, while pricing details for Salesforce Email Studio are unavailable.
Some top alternatives to Salesforce Email Studio includes Campaigner, Moosend, SMTP, EngageBay, Hubspot Marketing Hub, Constant Contact, Emma, Pinpointe, Elite Campaign, Salesforce Sales Cloud, Contactspot and Ackwire.
Some top alternatives to OpTonal includes and undefined.