G2 Vendor Directory

Amperity Customer Data Platform vs. 33Across

A side-by-side comparison based on G2 review data.

MetricAmperity Customer Data Platform

by Amperity

33Across

by 33Across

Overall rating4.44.3
Review count53128
Ease of use8.38.4
Ease of setup7.68.6
Quality of support8.88.6
Meets requirements8.68.9
NPS57.69230856
Small Business18.9%57.8%
Mid-Market35.8%29.7%
Enterprise45.3%12.5%
Total page views430122
Total LLM citations212171

Amperity Customer Data Platform

Amperity helps brands act on trusted customer context. Its AI-powered Customer Data Platform resolves identity and unifies fragmented data with real-time signals, giving teams accurate, actionable context across marketing, service, analytics, and AI systems. Built for enterprises with complex customer data, Amperity creates continuously updated customer profiles that brands can trust. Marketing and data teams can use this context to build audiences, understand behavior, orchestrate journeys, and make more relevant decisions in real time, while maintaining control, privacy, and governance.

Pros

  • Analytics Expertise
  • Platform Integration
  • Ease of Use
  • Data Accuracy
  • User Interface
  • Customer Insights

33Across

33Across makes the programmatic advertising ecosystem work without cookies, across supply-side platforms, demand-side platforms, publishers, data companies, agencies, and everything in between. Leading global advertisers, platforms, and publishers rely on 33Across to move past cookies and reach consumers in a simple, fair, and transparent manner.

Pros

  • Innovation
  • Reliability