Yes, both Post Affiliate Pro and Shopify offer a Free Trial.
Post Affiliate Pro is designed for Large Enterprises, Medium Business and Small Business.
Shopify is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Post Affiliate Pro begins at $129/Month, while pricing details for Shopify are unavailable.
Some top alternatives to Post Affiliate Pro includes Affise, AffTrack, TrackingDesk, Refersion, Affiliatise, TUNE, OffersHub, Affilo, Promocate and Affiliatics.
Some top alternatives to Shopify includes PrestaShop, CS-Cart, WooCommerce, Shopify Plus, BigCommerce, AmeriCommerce, 1ShoppingCart, Zoho Commerce, Magento Open Source, Web.com, iSeller and Dukaan.