BlackMagic.so offers Free Trial, but Tweetastic does not.
BlackMagic.so is designed for Large Enterprises, Medium Business and Small Business.
Tweetastic is designed for Individuals, Medium Business and Small Business.
Pricing for BlackMagic.so Starts at $7.99/Month when Billed Yearly whereas for Tweetastic Starts at $8.33/Month.
Some top alternatives to BlackMagic.so includes Zoho Social, Crowdfire, SocialBee, Twitter Analytics, Twitonomy, Buffer, Hootsuite, Planable, Later, Broadcast, CloudSocial, Tweetastic, SocialPear, Tweepsmap 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.
