OPTIS Product Options, Variant

This is a great app. Not only is it easy to use and works very well, but the company is also very kind too - I needed to add an option set to 1 product on my new store, and since I am just starting out and trying to keep costs low, I asked if they would consider allowing me to add it on the free plan, and they agreed and set it up for me. As a small business owner, I really appreciate that kindness. I highly recommend OPTIS!