To enable the Free Offers option, go to Ninja Shop > Features and click on the Button to Enable this feature.
Once the Feature is enabled, under the Advanced Settings of the Product, you will see the Free Offers Options.
The Free Offer settings will be applied if the product’s base price is $0.00 prior to discounts and taxes.
Hide product price in Exchange store – Hides this Product’s Price in the Store
Hide product price on Exchange product page – Hides this Product’s Price on the Product Page
There are also options to change the Buy Now Button Text and Purchase Button Text.
Customizing Your Shop