Yes, both Zoho Assist and TeamViewer offer a Free Trial.
Zoho Assist is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
TeamViewer is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Zoho Assist Starts at $10/User/Month when Billed Yearly whereas for TeamViewer Starts at $9/month when yearly.
Some top alternatives to Zoho Assist includes and undefined.
Some top alternatives to TeamViewer includes GoToMyPC, RemotePC, VNC Connect, RemoteToPC, AnyDesk, Splashtop Remote Support, LogMeIn Pro, Splashtop Business Access, FixMe.IT, LogMeIn Rescue, NinjaOne (NinjaRMM) and GoTo Resolve.