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Start for freeChurn Rate in user behavior refers to the percentage of users who stop using a product or service within a specific period. It measures how many customers or users leave or unsubscribe, indicating the rate at which a company loses its users.
Synonyms: customer churn, user attrition, customer turnover, user loss

Understanding churn rate helps businesses identify how well they retain users and the health of their customer base. A high churn rate can signal problems with user satisfaction, product quality, or competition.
Companies calculate churn rate regularly to track user retention and make informed decisions about marketing, product improvements, and customer support strategies.
If a mobile app has 1,000 users at the start of the month and 100 users stop using it by the end of the month, the churn rate is 10%. This helps the company understand user loss and work on reducing it.