The Huckleberry Watch app will automatically be installed when you pair your watch with your iPhone and you have the Automatic App Install toggled on.
If Automatic App Install is not on, you can follow these instructions to manually install the Huckleberry Watch app.
- Make sure your iPhone is running iOS 14 or higher and the latest version of the Huckleberry app.
- Open the Watch app on your iPhone.
- Look for Huckleberry under "Available Apps,” and tap "Install."
For version info, check out this page on minimum requirements for Watch and iPhone OS..