Yes, both BuzzSumo and Iconosquare offer a Free Trial.
BuzzSumo is designed for Large Enterprises, Medium Business and Small Business.
Iconosquare is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing for BuzzSumo Starts at $79/Month when Billed Yearly whereas for Iconosquare Starts at $49/Month when Billed Yearly.
Some top alternatives to BuzzSumo includes ListenFirst, Sprinklr, Hootsuite, Sprout Social, Planable, ShareSpring, Socialinsider, SocialBee, GetSocial, Nudge and Blogalyzer.
Some top alternatives to Iconosquare includes Social Opinion, SMhack, Sprout Social, Planable, SocialStats, Smm Dark, SumoGram, InoSocial, SocialBee, SocialGest, HipSocial by 500apps and Sharemyinsights.