Neither Google Tag Manager nor Purchase Commerce offers a free trial.
Google Tag Manager is designed for Large Enterprises, Medium Business and Small Business.
Purchase Commerce is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Purchase Commerce begins at $5,000, while pricing details for Google Tag Manager are unavailable.
Some top alternatives to Google Tag Manager includes Viraltag, Launch by Adobe, TagCommander, Tag Governance, Tealium iQ, Google Analytics, GingerTag, TapAnalytics, Tagmate and Scale8.
Some top alternatives to Purchase Commerce includes EasyEcom, Shopify Plus, 2Ship, BigCommerce, Shopify, AmeriCommerce, 1ShoppingCart, Comecero, Quick eSelling, CommerceUp, Equip and Web.com.