Sales Sunday offers Free Trial, but SellX does not.
Sales Sunday is designed for Medium Business and Small Business.
SellX is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Sales Sunday Starts at $1,499/User/Month whereas for SellX Starts at $1,999/Month when Billed Yearly.
Some top alternatives to Sales Sunday includes SalesCRM, SalesUp! CRM, SalesNOW, SellX, Qualified, ZoomInfo SalesOS, SalesQL, GoSales, Workvivo and IFTTT.
Some top alternatives to SellX includes ZoomInfo SalesOS, ZoomInfo, SalesIntel, Introhive, LinkedIn Sales Navigator, Intricately, Zint, SalesIntelligent, SalesInvite, Closely, sales-i and M Intelligence.