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Start for freeRetention in growth hacking refers to the ability of a business to keep its customers engaged and continue using its products or services over time. It's a crucial metric that measures how well a company can maintain its customer base and prevent churn.
Synonyms: Customer retention, User retention, Customer loyalty, Churn prevention, Customer engagement

Retention is a cornerstone of sustainable growth for any business. While acquiring new customers is essential, keeping existing ones is often more cost-effective and valuable in the long run. High retention rates indicate that a product or service is meeting customer needs and delivering value consistently.
Measuring retention typically involves tracking metrics such as customer lifetime value (CLV), churn rate, and repeat purchase rate. To improve retention, growth hackers employ various strategies: