Advanced Shipping Rules

Update, someone from the company finally got back to me to help install and use the APP. Thank you
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Worst APP company ever! I got this app to do restricted shipping zones and I needed help setting it up. I called them several times, no answer! Their phone is not even a real phone but a google voice phone! And I emailed several times and NO reply! Just uninstalled ...

A much improved way to use calculated shipping. I can assign different box sizes to different products and assign how many items can fit into 1 box. This makes calculating shipping many times more accurate than shopify's built in shipping.
Only issue I had was it took a little longer to set up than I expected, and it doesn't hook into shopify's discounted shipping rates so the UPS shipping costs ...