Our analytics are fragmented between ad platforms, app stores, and internal dashboards. Need to connect initial campaign UTM params through web onboarding all the way to 180-day subscription renewals. What tools or architectures have successfully created this single source of truth? How do you handle user identification across platforms without violating privacy guidelines?
We use a three-layer system:
- Server-side tracking for web steps
- App events via SDK
- Raw database exports
A platform I use unifies these automatically. Its secret sauce is hashing user IDs across systems without storing PII. Gives us complete journey mapping from first click to churn.
Built this using a customer data platform.
Key is deterministic matching via first-party cookies from the web flow combined with device fingerprinting (where legal). My stack updates LTV calculations in real-time – crucial for adjusting ad bids. Changed how we allocate marketing budget entirely.
Consider edge cases - users who switch devices or browsers during the journey.
Four essentials:
- First-user ID persistence
- Cross-domain tracking setup
- Privacy-compliant hashing
- Centralized ETL pipeline
We implemented this using Segment with custom mobile device graphing. Saw 360-degree view within 8 weeks. Now can track 94% of renewals back to original campaigns despite iOS restrictions.
Tried with RudderStack and Looker.
Biggest headache was merging app store receipts with web data. Solved by creating a reconciliation job that runs hourly. Now get full funnel reports showing exactly which ad groups drive loyal subscribers versus one-time buyers.
We use mixpanel. Works okay if set up right.