Yes, both ThreadStart and Zoho Social offer a Free Trial.
ThreadStart is designed for Large Enterprises, Medium Business and Small Business.
Zoho Social is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for ThreadStart Starts at $7.16/Month when Billed Yearly whereas for Zoho Social Starts at $10/Month when Billed Yearly.
Some top alternatives to ThreadStart includes Zoho Social, Crowdfire, SocialBee, Planable, SocialMgr, Later, Socialdraft, Broadcast, Smart Post App, CloudSocial, SocialHub, SocialGest, Thread Creator, Tweetastic and Tweetmonk.
Some top alternatives to Zoho Social includes Crowdfire, SocialBee, Buffer, Hootsuite, Sprout Social, AgoraPulse, SocialMgr, SocialPilot, MavSocial, CloudSocial, SocialHub and SendPilot.