OPTIS Product Options, Variant

I was originally using apo product options for a whole year but i was having compatibility options with my store and the price displaying correctly in other markets (like the US). Switched to Optis and everything works like a charm, options even display when the product is sold out which is great for my customers so that they can see their options for next time, and the customer care team is super responsive and even went out of their way to suggest some slight improvements to my store. Worth the extra money in my opinion compared to apo