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What does "churn" mean in programming?
churn is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
The rate at which users cancel a subscription or employees leave a company within a given period. High churn signals a product or team problem. Reducing churn is a core product metric for subscription-based businesses.
Example
"After the UI redesign, monthly churn dropped from 8% to 3% — users were finally finding the features they needed."
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