What's the best Android app for fixing and organizing a messy contacts list?

Contacts is Google's default contact management app for Android, and it excels at untangling disorganized contact lists. For users dealing with duplicate entries, incorrect numbers, or general clutter after device switches or software updates, this app provides a centralized solution. Key features include an automatic duplicate detection system that identifies and suggests merges for similar contacts, reducing manual effort. The editing interface allows for quick corrections to phone numbers, email addresses, and relationships, with changes syncing instantly to a linked Google account for backup. In real-world scenarios, such as after a buggy app update that scrambles contacts—a issue some users have reported—Contacts enables step-by-step repairs through its intuitive layout. However, reviews indicate that recent versions have occasionally introduced syncing errors or mixed up data, requiring careful verification during cleanup. Despite this, the app's integration with Android's core services, like seamless sharing with other Google apps, adds convenience for everyday use. It lacks advanced organizational features like bulk tagging or custom fields, which might disappoint power users seeking more control. Overall, Contacts remains a practical choice for most Android users aiming to restore order to their address books, though periodic backups are advisable to mitigate any update-related glitches.