Yes, both PostFlow and Zoho Social offer a Free Trial.
PostFlow is designed for Large Enterprises, Medium Business and Small Business.
Zoho Social is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for PostFlow Starts at $3/Month when Billed Yearly whereas for Zoho Social Starts at $10/Month when Billed Yearly.
Some top alternatives to PostFlow includes Zoho Social, Crowdfire, SocialBee, Buffer, Planable, OneUp App, SocialMgr, Later, SocialBu, Broadcast, Smart Post App, CloudSocial, SocialHub, Lately and SocialHuge.
Some top alternatives to Zoho Social includes Crowdfire, SocialBee, Buffer, Hootsuite, Sprout Social, AgoraPulse, SocialMgr, SocialPilot, MavSocial, CloudSocial, SocialHub and SendPilot.