Yes, both Really Simple Support and Support.cc by 500apps offer a Free Trial.
Really Simple Support is designed for Medium Business and Small Business.
Support.cc by 500apps is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Really Simple Support Starts at $6.66/Month when Billed Yearly whereas for Support.cc by 500apps Starts at $9.99/Month when Billed Yearly.
Some top alternatives to Really Simple Support includes Freshdesk, Support Hub, Snappy, Support.cc by 500apps, SmartSupport, Little SaaS Communication, Qualified, Workvivo, QReviews, Stream Follows, Featurelly and IFTTT.
Some top alternatives to Support.cc by 500apps includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, ManageEngine ServiceDesk Plus, Freshdesk, Deskero, Teamwork Desk, HelpDesk, SysAid, Jitbit Helpdesk, Snappy, CRMdesk, ReadyDesk, LabiDesk, HESK and BoldDesk.