Yes, both Shopify and PushAd offer a Free Trial.
Shopify is designed for Large Enterprises, Medium Business and Small Business.
PushAd is designed for Individuals, Large Enterprises, Medium Business and Small Business.
The starting price of PushAd begins at $5/Month, while pricing details for Shopify are unavailable.
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.
Some top alternatives to PushAd includes VWO Engage, OneSignal, PushAssist, PushBots, PushAlert, Push.World, Adrack Web Push, PushPushGo, PushNinja, Adrenalead and SmartPush.