Check-Chat allows users to monitor the last seen status of contacts on messaging apps like WhatsApp. It helps users to track when their contacts were last active, providing insights into their online behavior.

To view the last seen status, open the Check-Chat app, grant the necessary permissions, and select the contact you wish to track. The app will display the last seen time if it's accessible.

Yes, you can set up notifications in Check-Chat. Navigate to the settings menu, select notifications, and enable alerts for specific contacts. You will receive a notification when they come online.

If the app does not show the last seen status, follow these steps: 1. Check the permissions for the app in your device settings. 2. Ensure the contact's last seen settings permit visibility. 3. Restart the app to refresh data.

The accuracy of last seen data depends on the privacy settings of the contacts being tracked. If a contact has restricted their visibility, the app may not provide real-time updates or accurate information.