Wason Logger - Last Seen Online is an Android app that lets you check how much time your child spends on WhatsApp. This app works on all Android devices.

You can track multiple WhatsApp accounts on the same phone.

You can add multiple contacts on the same account.

Wason Logger - Last Seen Online will do all the work automatically.

If you want to use it, you don't need to do anything. Just launch the app and add the contact you want to track. You can also choose a silver plan to raise the number of numbers you want to track.