Neither Mailform nor Slick offers a free trial.
Mailform is designed for Medium Business and Small Business.
Slick is designed for Medium Business, Small Business and Individuals.
Pricing for Mailform Starts at $2.99per Envelope whereas for Slick Starts at $6.58per month when Billed Yearly.
Some top alternatives to Mailform includes DocSavy, DocuSend, DocsCloud, InvoiceCloud, Qualified, Workvivo, DocuPost, AmazingMail, Slick, IFTTT and PrinterCloud.
Some top alternatives to Slick includes SimplyDocs, Documint, DocSavy, Bobson, Speedy Newsletter, INSPAKT DOC PLATFORM, Sizle, Qualified, Workvivo, Storydoc, Quill.app and DeftPDF.