Tweedly offers Free Trial, but Holo does not.
Holo is designed for Individuals, Medium Business and Small Business.
Tweedly is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Holo Starts at $99/User/Month whereas for Tweedly Starts at $7/Month.
Some top alternatives to Holo includes SocialMailer, AspireIQ, Influencity, HYPR, buzzbomb.com, Socialshaker, SocialBook, CreatorDB, Influence Hero and HolaBrief.
Some top alternatives to Tweedly includes Post For Rent, TapInfluence, HYPR, buzzbomb.com, Intellifluence, Hubble, Promoty, Influence Hero and Mysocial.