Ymq Product Options & Variants

It's been a very positive experience using this app.
Great app for more complex variations and pricing, very customizable too.
It can be a little tricky in the beginning but once you get the hang of it, it gets easier, and support team has been very helpful.
From all apps I've tested, they had the most features that I needed, there was only one thing that they weren't able to do currently, but it's nothing I can't live with.
Highly recommend!