Yes, both PressRush and Pressbase offer a Free Trial.
PressRush is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pressbase is designed for Individuals, Medium Business and Small Business.
Pricing for PressRush Starts at $40.83/User/Month when Billed Yearly whereas for Pressbase Starts at $39/Month when Billed Yearly.
Some top alternatives to PressRush includes Prowly, Agility PR Solutions, Newswire, Meltwater, Muck Rack, Mynewsdesk, Prezly, Presshub, PR Underground and Covered Press.
Some top alternatives to Pressbase includes Mynewsdesk, Posted, Superdesk, Speedy Newsletter, Qualified, Workvivo, Blog To Social, Slog, Datanews, Nano, SharpDash and IFTTT.