Doppelganger is a robust app designed to streamline customer account management by identifying and merging duplicate accounts. Whether duplicates arise from Point of Sale systems or customers using multiple email addresses, Doppelganger ensures accurate calculation of Customer Lifetime Value (CLV) by consolidating fragmented data into unified profiles. Businesses can benefit from linking accounts not only from individual customers but also from the same company, offering a clearer picture of a client company's total lifetime value. The app prioritizes privacy, allowing businesses to maintain full control over their customer data throughout the deduplication process. By facilitating cleaner and more organized customer data, Doppelganger enhances customer relationship management and boosts overall business efficiency. With its intuitive features to find, link, and merge duplicates, it is an essential tool for businesses aiming to optimize their data integrity and customer insights.