Yes, both ThreadStart and SocialPear offer a Free Trial.
ThreadStart is designed for Large Enterprises, Medium Business and Small Business.
SocialPear is designed for Large Enterprises, Medium Business and Small Business.
Pricing for ThreadStart Starts at $7.16/Month when Billed Yearly whereas for SocialPear Starts at $10/Month.
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 SocialPear includes Zoho Social, Crowdfire, SocialBee, Buffer, Planable, Tweet Ninja, Later, SocialGest, Tweetastic, Postaside, Twitter Ads, Tweelog, SocialHuge, SocialDog and TweetingMonk.