We use this app on my site and it would be nice if the support was better. They have an email but they don't always respond and when they do it is weak. For a paid app I am pretty disappointed. We are launching our new site with a different app next month.

I had problems with the cart. The cost for custimization was wrong. The support was not a good help. Didnt answer to my second mail.

Good:
- live preview
- uses your existing inventory, does not require to set up a "sample" image of your product
- fast integration with cart / product / theme liquid files

Not so good:
- tutorials are not available for the most of the set up
- setting up fonts will require a lot of guess work and googling for ttf
- the placeholders for text and images are fixed, customers can not adjust them
- preview or "save the product" is not available after the customisation
- the option "create new product when adding to the cart" is faulty, it gives the message that it is corrupted