CloudSponge offers Free Trial, but EmailOpen does not.
CloudSponge is designed for Large Enterprises, Medium Business and Small Business.
EmailOpen is designed for Large Enterprises and Medium Business.
The starting price of CloudSponge begins at $50/Month, while pricing details for EmailOpen are unavailable.
Some top alternatives to CloudSponge includes EmailOpen, TrueSaaS, GrowSurf, AppVirality, Ambassador Referral Marketing, InviteReferrals, Referral Stack, Qualified, Workvivo, Hightouch Audiences, Zoho SalesInbox and IFTTT.
Some top alternatives to EmailOpen includes Campaigner, Moosend and SMTP.
