Enable product reviews
Activate the review stars shown in the product views and on the product pages.
Activate yotpo reviews.
Enter the 'free shipping on x spent' amount here. This will be shown (with a 'spend this much more for free shipping' notification) on the shopping cart page and the shopping cart drop-down menu.
This option allows you to place the currency icon before or after the price or make it disappear completely on the homepage, collection pages, and product pages.