Scale8 offers Free Trial, but Tag Defender does not.
Tag Defender is designed for Large Enterprises, Medium Business and Small Business.
Scale8 is designed for Freelancers, Medium Business and Small Business.
The starting price of Scale8 begins at $10/Month, while pricing details for Tag Defender are unavailable.
Some top alternatives to Tag Defender includes Launch by Adobe, Google Tag Manager, TagCommander, Crownpeak TagControl, Ensighten Manage, Tag Governance, Tealium iQ, Tag Inspector, Tagmate 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.