Ultimate Upsell & Cross‑Sell

This app was recommended by a friend and I'm very impressed with all the tools available, the well thought admin page and the stellar support. As a new app there are a few things to fix here and there, but the support community via Slack is awesome and very prompt to tackle these issues.
I've only been testing the app for a day but will come back with an update when the trial week is about to expire. Right now it definitely looks like a keeper.