Show HN: CrossTrack – Cross-platform identity resolution as a service

Category: devtools

Tags: identity-resolution, user-analytics, cross-platform

Score: 6.7/10 (Innovation: 7, Technical: 6, Documentation: 4, Utility: 7)

CrossTrack is a service that merges user identities across websites, mobile apps, and in-app WebViews into a single profile, solving analytics fragmentation. It's interesting because it tackles a real-world problem of inflated user counts and broken funnels with a server-side approach and a clever WebView bridge that links sessions without requiring login.

Target audience: backend devs, data engineers, product managers

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