Boost your conversion rate for free by improving the look & function of the stock ATC button of your theme.
This script allows you to vastly improve the appearance and click through rate of your Add to Cart button regardless of the theme you use as well as give you a sticky button at the bottom of your mobile view.
The code is mildly difficult to implement but can save you a lot in apps & paying developers.
Not to mention the revenue increase from the improved conversion rate.