The above is just an example of what I am trying to achieve.
The 1, 3, 6 grid with each add to cart + discounts included with it.
At this time I don't need the subscription tab.
I am just trying to figure out how to get that grid with the different volume packages.
That's a great question. I was not able to find an app that functions exactly to how the example you provided works. In this case, it's quite possible they had a developer code this in from scratch on their website. If this is something you are interested in, I would recommend checking out our Shopify experts directory (http://bit.ly/2NSDzvx) to find a developer to hire.
Otherwise, there are a variety of quantity break/volume discounts apps that you can use to offer discounts to your customers based on specific quantities, they just don't offer the functionality of a separate add-to-cart button for each quantity discount.
If there is anything else I can help you with, please let me know.