SeamlessDesk offers Free Trial, but Web+Center does not.
Web+Center is designed for Large Enterprises, Medium Business and Small Business.
SeamlessDesk is designed for Medium Business and Small Business.
Pricing for Web+Center Starts at $400License Key whereas for SeamlessDesk Starts at $57/Month.
Some top alternatives to Web+Center includes Freshservice, ManageEngine ServiceDesk Plus, SolarWinds Service Desk, Jira Service Desk, SeamlessDesk, HelpDesk, ReadyDesk, Sitehelpdesk, Spiceworks Help Desk, HESK, Help Desk Premier and Scopedesk.
Some top alternatives to SeamlessDesk includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Freshdesk, Deskero, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, ReadyDesk, Sitehelpdesk, HESK, Help Desk Premier, DeskXpand and Scopedesk.