Yes, both TeamViewer and Splashtop Remote Support offer a Free Trial.
TeamViewer is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Splashtop Remote Support is designed for Large Enterprises, Medium Business and Small Business.
Pricing for TeamViewer Starts at $9/month when yearly whereas for Splashtop Remote Support Starts at $25/Month.
Some top alternatives to TeamViewer includes NinjaOne (NinjaRMM), GoToMyPC, RemotePC, VNC Connect, RemoteToPC, AnyDesk, Splashtop Remote Support, LogMeIn Pro, Splashtop Business Access, FixMe.IT, LogMeIn Rescue and GoTo Resolve.
Some top alternatives to Splashtop Remote Support includes NinjaOne (NinjaRMM), Zoho Assist, ScreenMeet, GoToMyPC, RemotePC, BeyondTrust Remote Support, ShowMyPC, TeamViewer, VNC Connect, RemoteToPC, Splashtop Business Access and GoTo Resolve.