WP Watcher: Online Tracker is an online last seen tracker for WhatsApp, allowing users to monitor the activity of selected phone numbers. With features like viewing reports in different time frames, tracking login and exit times, naming monitored numbers, and receiving instant notifications, this app provides comprehensive monitoring capabilities.

In addition to tracking WhatsApp activity without the need for an account, Watcher: Online Tracker enables users to monitor online statuses and last seen timestamps, making it ideal for families concerned about social media usage. The app promotes safe social media practices by allowing users to track their own activity and gain insights into their usage patterns.