Yes, both TrueSocialMetrics and Social Combiner offer a Free Trial.
TrueSocialMetrics is designed for Large Enterprises, Medium Business and Small Business.
Social Combiner is designed for Freelancers, Medium Business and Small Business.
Pricing for TrueSocialMetrics Starts at $1,000 when Billed Monthly whereas for Social Combiner Starts at $19/Month.
Some top alternatives to TrueSocialMetrics includes Minter.io, Twitter Analytics, Social Opinion, ListenFirst, Planable, Social Combiner, Vaizle, Socialinsider, SocialStats, Analyser PRO, SocialBee and GetSocial.
Some top alternatives to Social Combiner includes Crowdfire, SocialBee, Iconosquare, TrueSocialMetrics, SocialTracker, Buffer, Analisa.io, Zoho Social, Planable, Later, Gramreports, ThoughtMetric, SocialStats, SocialGest and Sharemyinsights.
