“Alternatives -> https://reccordsop.com/alternatives” — its home page
“Free plan includes 3 SOPs. No credit card required.” — its home page
ChargesFree plan
ProvesDocsBlog
You are sizing up a market. These filters come from what each product claims about itself: how it positions itself, what it charges, who it names as an alternative, what proof it publishes.
“Alternatives -> https://reccordsop.com/alternatives” — its home page
“Free plan includes 3 SOPs. No credit card required.” — its home page
Positions against Mailchimp
“…vs Mailchimp” — its home page
“…https://spreeflo.com/mailchimp-alternative” — its home page