Yes, both Walls.io and Social Media Wall offer a Free Trial.
Walls.io is designed for Large Enterprises, Medium Business and Small Business.
Social Media Wall is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing for Walls.io Starts at $200/Month when Billed Yearly whereas for Social Media Wall Starts at $4.83/Day.
Some top alternatives to Walls.io includes Zoho Social, Crowdfire, SocialBee, Social Media Wall, Planable, SocialMgr, Later, SocialBu, ShareSpring, Social Web Suite, Socialdraft, CloudSocial, SocialHub, Send Social Media and Wallzoe.
Some top alternatives to Social Media Wall includes Zoho Social, Crowdfire, SocialBee, Buffer, Planable, Later, ShareSpring, Social Web Suite, CloudSocial, SocialHub, Send Social Media, HipSocial by 500apps, Wallzoe, Walls.io and SocialHuge.