Grassroots clubs often juggle Mailchimp, SurveyMonkey, Wix, and Eventbrite,...

https://highstylife.com/best-way-to-handle-last-minute-match-cancellations-by-sms/

Grassroots clubs often juggle Mailchimp, SurveyMonkey, Wix, and Eventbrite, paying around $150/month across them