Yes, both SocialBu and BrandVox offer a Free Trial.
SocialBu is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
BrandVox is designed for Large Enterprises, Medium Business and Small Business.
Pricing for SocialBu Starts at $6.70/Month when Billed Yearly whereas for BrandVox Starts at $15/Month.
Some top alternatives to SocialBu includes Zoho Social, Crowdfire, SocialBee, Planable, SocialMgr, Later, SocialPilot, MavSocial, Broadcast, Ultimate SMM, Social Mako, CloudSocial, SocialHub, SocialGest and Send Social Media.
Some top alternatives to BrandVox includes Twitter Analytics, NetBase, Unmetric, TrueSocialMetrics, SocialTracker, Planable, Vaizle, WeAnalyze, Socialinsider, Analyser PRO, SocialBee and Tweetastic.