When you set up your Whistle GO, you can only choose one pet to assign the tracker to. You will need to purchase an additional Whistle GO tracker and subscription for each additional pet.

This video walkthrough shows you how to activate your first Whistle GO Tracker: 

Once you have activated your first tracker and are ready to set up additional devices, follow the steps below to start the activation process for your additional devices:

  1. Tap the Human Stuff icon in the bottom right-hand corner
  2. Scroll down and select Add A Whistle 
  3. Select the type of device you are activating
  4. Tap the green Set Up A New Pet button
  5. Select the Safe Place you are currently located at (note: if you just activated your first tracker, then you will only have 1 Safe Place to choose from)
  6. Tap the green Find My Whistle button, and follow the prompted steps to activate your additional tracker