Newswire offers Free Trial, but PR Underground does not.
PR Underground is designed for Medium Business and Small Business.
Newswire is designed for Large Enterprises, Medium Business and Small Business.
Pricing for PR Underground Starts at $49.99per Release whereas for Newswire Starts at $299One time licence.
Some top alternatives to PR Underground includes PressRush, Agility PR Solutions, Newswire, Meltwater, Mynewsdesk, Presshub, PressKitHero, PressValue and Pressbase.
Some top alternatives to Newswire includes Prowly, PressRush, Agility PR Solutions, Meltwater, Mynewsdesk, Presshub, PR Underground, PressKitHero, Covered Press and Publicize.