Yes, both GrooveJar and SendGrid offer a Free Trial.
GrooveJar is designed for Large Enterprises, Medium Business and Small Business.
SendGrid is designed for Large Enterprises, Medium Business and Small Business.
The starting price of GrooveJar begins at $99/Month, while pricing details for SendGrid are unavailable.
Some top alternatives to GrooveJar includes Justuno, InStream, Poptin, Sumo, Popupsmart, Getsitecontrol, Popup Maker, PopUp Domination, ConvertFlow, Popconvert and Leadforza.
Some top alternatives to SendGrid includes SMTP, Campaigner and Moosend.