Forget User Journey Maps, Use This Technique Instead
User Journey Maps are an abstract representation of how users get from Point A to Point B. The more abstract they are, the less realistic. On the other hand, one of the most realistic ways to map out a pathway is to document the NECESSARY screens that users have to interact with to make progress. Looking at the drop-off from screen to screen also gives you a realistic picture of where you're losing the most users.
Churn Getting Worse? You Need a Churn-Based Feedback Loop
To better manage churn you need to go from looking at the behavior of your entire customer base to looking at the behavior of the new customers you're bringing in.