Yes, both Replybutton and Sendzilla offer a Free Trial.
Replybutton is designed for Large Enterprises, Medium Business and Small Business.
Sendzilla is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Replybutton Starts at $14/User/Month when Billed Yearly whereas for Sendzilla Starts at $29/Month when Billed Yearly.
Some top alternatives to Replybutton includes If No Reply, AutoPitch, Qualified, SmartReach.io, Workvivo, SellScale, Sigmail, MakeDeal, Sendzilla, Zoho SalesInbox, Go Follow-Up and IFTTT.
Some top alternatives to Sendzilla includes ProspectIn, Lead Connect, LinkedIn Sales Navigator, SalesIntelligent, Outreachly, LiProspect, Qualified, Workvivo, Sigmail, MakeDeal, Linkout and IFTTT.