seems to work pretty well so far. Have not tried any others but pretty simple. Support responses are good as well

Great app. Very Easy to use. I just followed the steps and I did my very first up-sell in 1 min. Thank you

Love to use this app. Have the features I want, and most importantly it's free! You can customize the headings and description of the upsell page

GREAT APP! Easy to use and very helpful to increase your sells in your website store!!!!!!!!!!!!!!!!!

Works great. Customer support was fast and super helpful. The pop looks better than some of the other free ones too.

This is exactly what we were looking for. What a great app. Perfect functionality for our complex sales flow!

nice!! it helps alot to pull trigger buyer to drop another products! your app is really great. i like very much.

Great app! Very responsive support team and the app works flawlessly! I would definitely recommend this to anyone looking for a straightforward and great upsell and cross sell app! Works like a dream!

SO easy! Thank you! For a free app, I expected it to be a little more complicated but it has been the easiest app I've used so far! Works perfectly!

This app really helped to make my business more customer-satisfactory with offering additional products that they wouldn't even have thought during their visits to look at and our conversion rate has increased tremendously since!