Churn Prevention
Seven steps to catch churn before it fires
Build this entirely in PostHog — no data warehouse, no ML model
Define your activation event
Retention cohort comparison — find the event with the largest retention differential
01
At-risk activation cohort
Signed up in last 30 days, has not completed the activation event
02
Declining engagement cohort
Active 14–44 days ago, silent in the last 14 days
03
Champion-left indicator
Primary user silent 7+ days, no secondary activity on the account
04
Competitor research signal
Integrations page + data export in same 7-day window
05
Assemble the dashboard
Four insights, each linked to the underlying cohort for drill-down
06
Connect to alerts
PostHog webhooks route high-priority signals to CS before the week is out
07
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