How to Add a Popup to Site123? [Compare Popupsmart, OptiMonk, Plum & More]

Hey folks! :waving_hand:

I’ve been helping a local skincare boutique build their first Site123 website, and they asked me to help them add a popup for newsletter signups and coupon promos.
We tried Site123’s built-in popup tool (found under Design > Footer > Promotion Popups), but it was super basic:

  • Only works on “enter” or “exit”

  • No targeting like device type or scroll depth

  • Limited styling options

So now I’m looking into Site123 popup alternatives. I’ve checked out a few:

Has anyone tested these with Site123? I’m looking for something easy to set up, customizable, and mobile-friendly. Would love to hear your picks!