Yes, both TeamViewer and Splashtop Business Access offer a Free Trial.
TeamViewer is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Splashtop Business Access is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for TeamViewer Starts at $9/month when yearly whereas for Splashtop Business Access Starts at $4.54/User/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 Business Access includes NinjaOne (NinjaRMM), Zoho Assist, ScreenMeet, GoToMyPC, RemotePC, BeyondTrust Remote Support, TeamViewer, VNC Connect, RemoteToPC, Dameware Mini Remote Control, DeskRoll and GoTo Resolve.