Yes, both Adobe Acrobat DC and Certifier offer a Free Trial.
Adobe Acrobat DC is designed for Large Enterprises, Medium Business and Small Business.
Certifier is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Adobe Acrobat DC Starts at $16.14/Month whereas for Certifier Starts at $16.16/Month when Billed Yearly.
Some top alternatives to Adobe Acrobat DC includes pdfFiller, Easy PDF, Smallpdf, Soda PDF, PDFelement, Adobe Sign, Adobe Acrobat Reader, PDFRun, PDF Reader Pro, DeftPDF and Bluebeam Revu.
Some top alternatives to Certifier includes Certemy, CertifySimple, Sign.cc by 500apps, Qualified, Workvivo, Certopus, Certificates, SupportiveKoala, CertifyMe.Online, Sertifier, CourseCraft and Certfy.