ThreadStart offers Free Trial, but Tweetastic does not.
ThreadStart is designed for Large Enterprises, Medium Business and Small Business.
Tweetastic is designed for Individuals, Medium Business and Small Business.
Pricing for ThreadStart Starts at $7.16/Month when Billed Yearly whereas for Tweetastic Starts at $8.33/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 Tweetastic includes Zoho Social, Crowdfire, SocialBee, Social Opinion, Twitonomy, Buffer, Hootsuite, Planable, Later, Analyser PRO, Socialdraft, CloudSocial, SocialGest, Send Social Media and yatta! analytics.