CloudSponge offers Free Trial, but Birdnest does not.
Birdnest is designed for Medium Business and Small Business.
CloudSponge is designed for Large Enterprises, Medium Business and Small Business.
The starting price of CloudSponge begins at $50/Month, while pricing details for Birdnest are unavailable.
Some top alternatives to Birdnest includes TrueSaaS, Ambassador Referral Marketing, Sell.Do, Referral Stack, Qualified, Workvivo, BoldLeads CRM, CloudSponge, Sigmail, MakeDeal, Click2Contact and CoSell.
Some top alternatives to CloudSponge includes EmailOpen, TrueSaaS, GrowSurf, AppVirality, Ambassador Referral Marketing, InviteReferrals, Referral Stack, Qualified, Workvivo, Hightouch Audiences, Zoho SalesInbox and IFTTT.
