Yes, both CampaignAlyzer and Scale8 offer a Free Trial.
CampaignAlyzer is designed for Large Enterprises, Medium Business and Small Business.
Scale8 is designed for Freelancers, Medium Business and Small Business.
Pricing for CampaignAlyzer Starts at $99/Month whereas for Scale8 Starts at $10/Month.
Some top alternatives to CampaignAlyzer includes Meta Tags, Viraltag, Google Tag Manager, TagCommander, Tag Governance, Tealium iQ, Seotagg, Tagmate, UTM Manager and Scale8.
Some top alternatives to Scale8 includes Google Tag Manager, TagCommander, Crownpeak TagControl, Tag Governance, Tealium iQ, Tag Inspector, Tagmate, Magic Pixel and Stape.