Ensuring personalized app experiences post-install with deferred deep links—best practices?

Our users get generic onboarding after installing via deferred links, even if they came from targeted campaigns. How do you maintain context like subscription tier preferences or campaign-specific offers through the app install process? Tried storing session data locally but it breaks if installation takes too long. Looking for solutions beyond device fingerprinting.

Stored user choices in the web flow first.

Then passed them through the deferred link. Used a platform that auto-syncs this data to the app. Works even if install happens days later.

Real-time personalization requires web control.

We tweak offers on the web funnel and pass exact variants via deep links. No waiting for app updates to test new experiences.

Capture key preferences before the app install.

Simple JSON payload in the deep link does wonders for personalization.

Web session persists. App reads it.

Critical to maintain continuity between web and app states.

Implement a token system where the web flow generates a unique session ID. App retrieves all context from your backend using this ID post-install. No lost data.

We use email as a fallback. Works okay.