APO Product Options, Variants

EDIT* Just want to add that it's been quite awhile now that I've been using this app. Even today I needed their assistance with something and they treated me as well today as they did from day one. Love this team and app so much! Money extremely well spent.
Nothing but amazing things to say about this app and it's creator's and customer service. I've been using for almost 1 year now and it has been nearly flawless. I had a few bumps in the road in the beginning which were quickly corrected by their team (our issues not theirs) and anytime I reached out with questions or requests they were on it.
Like others I had tried other Options type apps, but none could do everything I wanted and made my store slower and clunky. Advanced Product Options runs amazingly well, doesn't slow my store and gives you everything you could ever want/need for customizations.
Really happy customer here!

Great app; easy to use once you've gotten the hang of it, super customisable and the most dedicated support time I have ever dealt with. Couldn't recommend this app and this company more.

I tried 4 other apps before I found this one. It makes upselling and product options super clean looking at the time that the product is selected. It's exactly what I was looking for. I used their support to perfect the set up of my first item. They were awesome to work with and super responsive.

The app is awesome and works great! MUCH better than the other choices. But the app is not the best thing. The best thing is the service. In a word, phenomenal! Angelika and Evgeniya go above and beyond. They make sure everything works and go the extra mile. I could not be more pleased!

We recently installed this app to replace another, as it did not offer enough customisation. The app itself is easy to install, set up and manage, and the customer service we have received has been absolutely incredible. The team have helped us customise everything we need, in a very timely manner. Thank you again!

In addition to the great plug-in, we have also received very adequate support. Fast and without further hassle. Good job! Highly recommended!

This has been exactly what I need! I have had some requests and some issues and customer service has been OUTSTANDING!!! They have helped resolve the issues in a very short time period and made my requests come to life! Love the fact that it tracks the inventory also! Highly recommend!!

Powerful APP and amazing support!!! They are responsive and quick to help with any little fix that is needed to get the app to work just right :)

Okay, the app just works and does what it says it would do. Support is efficient and patient. Highly recommended app.

Awesome app. Really impressed with the functionality and support. Literally the only thing that is missing from the app (which btw dosn't exist on any other app I found) is the ability to layer images of custom options to build up a truly unique custom option