G2 reviewers of Tealium Customer Data Hub consistently rate it highly, with many praising its real-time data unification, robust integrations, and audience activation capabilities. However, cost concerns appear frequently across G2 reviews, particularly from smaller organizations and mid-market teams. Reviewers in enterprise segments tend to view Tealium Customer Data Hub's pricing as justified given the platform's depth and scalability, with one G2 reviewer noting the total cost of ownership with free alternatives is often higher. G2 users from smaller businesses frequently flag that licensing, implementation, and training costs can add up, making it a premium investment best realized by organizations with sufficient technical resources and data volume.